SQL Query to extract Oracle Purchase Order Information

SELECT
  poh.po_header_id, 
  poh.type_lookup_code PO_TYPE,
  poh.authorization_status PO_STATUS,
  poh.segment1 PO_NUMBER,
  pov.vendor_name SUPPLIER_NAME,
  povs.vendor_site_code Location,
  hrls.location_code Ship_To,
  hrlb.location_code Bill_to,
  pol.line_num ,
  msib.segment1 Item,
  pol.unit_price,
  pol.quantity,
  pod.amount_billed Amount,
  pod.destination_subinventory,
  ppf.full_name Buyer_Name,
  poh.closed_Code 
FROM
  PO_HEADERS_ALL poh,
  PO_LINES_ALL pol,
  mtl_system_items_b msib,
  PO_LINE_LOCATIONS_ALL poll,
  PO_DISTRIBUTIONS_ALL pod,
  po_vendors pov,
  po_vendor_sites_All povs,
  hr_locations_all hrls,
  hr_locations_all hrlb,
  per_all_people_f ppf,
  po_line_types polt
WHERE
  1                         =1
AND polt.line_type_id    = pol.line_type_id
AND povs.vendor_site_id     = poh.vendor_site_id
AND pov.vendor_id           = poh.vendor_id
AND pol.item_id             = msib.inventory_item_id
AND msib.organization_id    = 204
AND poh.po_header_id        = pol.po_header_id
AND pol.po_line_id          = pod.po_line_id
AND poll.line_location_id   = pod.line_location_id
AND poh.ship_to_location_id = hrls.location_id
AND poh.bill_to_location_id = hrlb.location_id
AND poh.agent_id            = ppf.person_id
AND poh.segment1            = &LP1;