APA Style

Gittinger, J, P. et al (1986). Analisa ekonomi proyek-proyek pertanian = Economic analysis of agriculture project (ed. 2). Jakarta: UI Publishing.

MLA Style

Gittinger, J., Price. et al. "Analisa ekonomi proyek-proyek pertanian = Economic analysis of agriculture project". ed. 2 Jakarta: UI Publishing, 1986. Text.