Philippine Peasant Institute. (2003). Punla praymer: Seguridad sa pagkain. Philippine Peasant Institute.
Cita Chicago (17th ed.)Philippine Peasant Institute. Punla Praymer: Seguridad Sa Pagkain. Quezon City: Philippine Peasant Institute, 2003.
Cita MLA (9th ed.)Philippine Peasant Institute. Punla Praymer: Seguridad Sa Pagkain. Philippine Peasant Institute, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.