Philippines. Bureau of Agricultural Research. (1990). On-farm research manual. Bureau of Agricultural Research, Department of Agriculture.
Цитирование в стиле Чикаго (17-е изд.)Philippines. Bureau of Agricultural Research. On-farm Research Manual. Quezon City: Bureau of Agricultural Research, Department of Agriculture, 1990.
Цитирование MLA (9-е изд.)Philippines. Bureau of Agricultural Research. On-farm Research Manual. Bureau of Agricultural Research, Department of Agriculture, 1990.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.