Παραπομπή σε μορφή APA (7η εκδ.)

Cantoria, M. (1973). Challenge to biologists in the 70's: The escalation of food production. Alpha Chi Chapter Univ. of the Phils.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Cantoria, Magdalena. Challenge to Biologists in the 70's: The Escalation of Food Production. Quezon City: Alpha Chi Chapter Univ. of the Phils, 1973.

Παραπομπή σε μορφή MLA (9th εκδ.)

Cantoria, Magdalena. Challenge to Biologists in the 70's: The Escalation of Food Production. Alpha Chi Chapter Univ. of the Phils, 1973.