Diaz, R. C., Oppenfeld, H. v., & Oppenfeld, J. v. (1961). Case studies of farm families, Laguna Province, Philippines. Dept. of Agricultural Economics, College of Agriculture, University of the Philippines.
Chicago Style (17th ed.) CitationDiaz, Ralph C., Horst von Oppenfeld, and Judith von Oppenfeld. Case Studies of Farm Families, Laguna Province, Philippines. [College, Laguna: Dept. of Agricultural Economics, College of Agriculture, University of the Philippines, 1961.
MLA (9th ed.) CitationDiaz, Ralph C., et al. Case Studies of Farm Families, Laguna Province, Philippines. Dept. of Agricultural Economics, College of Agriculture, University of the Philippines, 1961.
Warning: These citations may not always be 100% accurate.