APA (7 ম সংস্করণ) উদ্ধৃতি

Agra, A. C. (1997). A Q & A primer on the Philippine party-list system: A list proportional representation scheme of electing one-fifth of the members of the House of Representatives. Rex Book Store.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Agra, Alberto C. A Q & A Primer on the Philippine Party-list System: A List Proportional Representation Scheme of Electing One-fifth of the Members of the House of Representatives. Manila: Rex Book Store, 1997.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Agra, Alberto C. A Q & A Primer on the Philippine Party-list System: A List Proportional Representation Scheme of Electing One-fifth of the Members of the House of Representatives. Rex Book Store, 1997.