Olalo, C. C. (1975). An analysis of resource productivity and credit needs of coconut farms in Southern Tagalog, 1973-74. s. n.
Chicago-referens (17:e uppl.)Olalo, Celestino Casauran. An Analysis of Resource Productivity and Credit Needs of Coconut Farms in Southern Tagalog, 1973-74. [College, Laguna]: s. n, 1975.
MLA-referens (9:e uppl.)Olalo, Celestino Casauran. An Analysis of Resource Productivity and Credit Needs of Coconut Farms in Southern Tagalog, 1973-74. s. n, 1975.
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