Philippines (Republic) Department of Agriculture and Natural Resources & Agricultural Information Division. (1961). Gumamit ng pataba at apog. [s.n.
Chicago-Zitierstil (17. Ausg.)Philippines (Republic) Department of Agriculture and Natural Resources und Agricultural Information Division. Gumamit Ng Pataba at Apog. Quezon City: [s.n, 1961.
MLA-Zitierstil (9. Ausg.)Philippines (Republic) Department of Agriculture and Natural Resources und Agricultural Information Division. Gumamit Ng Pataba at Apog. [s.n, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.