Παραπομπή σε μορφή APA (7η εκδ.)

De los Angeles, M. S. (1979). Indicators for evaluating the progress and impact of agro-forestry projects. Philippine Center for Economic Development.

Παραπομπή σε μορφή Chicago (17η εκδ.)

De los Angeles, Marian Segura. Indicators for Evaluating the Progress and Impact of Agro-forestry Projects. Quezon City: Philippine Center for Economic Development, 1979.

Παραπομπή σε μορφή MLA (9th εκδ.)

De los Angeles, Marian Segura. Indicators for Evaluating the Progress and Impact of Agro-forestry Projects. Philippine Center for Economic Development, 1979.