APA (7. basım) Alıntı

Perlas, N. (1998). Philippine agenda 21 handbook. Center for Alternative Development Initiatives].

Chicago Style (17. basım) Atıf

Perlas, Nicanor. Philippine Agenda 21 Handbook. [Quezon City, Philippines: Center for Alternative Development Initiatives], 1998.

MLA (9th ed.) Atıf

Perlas, Nicanor. Philippine Agenda 21 Handbook. Center for Alternative Development Initiatives], 1998.