Supplier Master Details in R12 Query

--Supplier Master Details

SELECT asp.vendor_id ,
asp.segment1 "Supplier Num" ,
asp.vendor_name "Supplier Name" ,
ass.vendor_site_code "site name" ,
hou.name "Operating Unit Name" ,
ass.address_line1 ,
ass.city ,
ass.state ,
ass.zip ,
ass.country ,
ass.phone ,
person.person_first_name ,
person.person_last_name ,
pty_rel.primary_phone_number ,
pty_rel.email_address
FROM ap_suppliers asp ,
ap_supplier_sites_all ass ,
ap_supplier_contacts apsc ,
hz_parties person ,
hz_parties pty_rel,
hr_operating_units hou
WHERE ass.vendor_id = asp.vendor_id
AND apsc.per_party_id = person.party_id
AND apsc.rel_party_id = pty_rel.party_id
AND ass.org_id = hou.organization_id
AND apsc.org_party_site_id = ass.party_site_id