Putong, C. (1937). Specific objectives and contents of vocational education in agriculture in the Philippines: Rice culture. [s.n.].
Cita Chicago (17th ed.)Putong, Cecilio. Specific Objectives and Contents of Vocational Education in Agriculture in the Philippines: Rice Culture. Chicago, Ill: [s.n.], 1937.
Cita MLA (9th ed.)Putong, Cecilio. Specific Objectives and Contents of Vocational Education in Agriculture in the Philippines: Rice Culture. [s.n.], 1937.
Atenció: Aquestes cites poden no estar 100% correctes.