Nayga, R. C., & Carlos, J. T. (1970). Coconut production in the Philippines: A student manual for use in vocational agriculture. UPCA, Dept. of Agricultural Communication.
Chicago Style (17. basım) AtıfNayga, Rodolfo C., ve Juan Tabilangan Carlos. Coconut Production in the Philippines: A Student Manual for Use in Vocational Agriculture. [College, Laguna: UPCA, Dept. of Agricultural Communication, 1970.
MLA (9th ed.) AtıfNayga, Rodolfo C., ve Juan Tabilangan Carlos. Coconut Production in the Philippines: A Student Manual for Use in Vocational Agriculture. UPCA, Dept. of Agricultural Communication, 1970.
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