Nong-Kim-Yen 1937. (1974). A study of farmers' attitude toward cooperatives in seelcted barrios of two municipalities in the province of Rizal.
Chicago-viite (17. p.)Nong-Kim-Yen 1937. A Study of Farmers' Attitude Toward Cooperatives in Seelcted Barrios of Two Municipalities in the Province of Rizal. 1974.
MLA-viite (9. p.)Nong-Kim-Yen 1937. A Study of Farmers' Attitude Toward Cooperatives in Seelcted Barrios of Two Municipalities in the Province of Rizal. 1974.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.