Παραπομπή σε μορφή APA (7η εκδ.)

Papua New Guinea. (1977). National public expenditure plan: Instructions and guidelines for new policy submissions for the National Public Expenditure Plan. National Planning Office.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Papua New Guinea. National Public Expenditure Plan: Instructions and Guidelines for New Policy Submissions for the National Public Expenditure Plan. [Port Moresby]: National Planning Office, 1977.

Παραπομπή σε μορφή MLA (9th εκδ.)

Papua New Guinea. National Public Expenditure Plan: Instructions and Guidelines for New Policy Submissions for the National Public Expenditure Plan. National Planning Office, 1977.