APA (7th ed.) Citation

Pookpakdi, A., & Carandang, D. A. (1988). Recent developments in crop based farming systems. Food and Fertilizer Technology Center.

Chicago Style (17th ed.) Citation

Pookpakdi, Aphiphan, and D. A. Carandang. Recent Developments in Crop Based Farming Systems. Taipei: Food and Fertilizer Technology Center, 1988.

MLA (9th ed.) Citation

Pookpakdi, Aphiphan, and D. A. Carandang. Recent Developments in Crop Based Farming Systems. Food and Fertilizer Technology Center, 1988.