Roger, P. A., Jimenez, R., & Santiago-Ardes. (1991). Methods for studying blue-green algae in ricefields: Distribution ecology, sampling strategies, and estimation of abaundance. Rice Research Institute.
Chicago-referens (17:e uppl.)Roger, P. A., R. Jimenez, och Santiago-Ardes. Methods for Studying Blue-green Algae in Ricefields: Distribution Ecology, Sampling Strategies, and Estimation of Abaundance. Manila: Rice Research Institute, 1991.
MLA-referens (9:e uppl.)Roger, P. A., et al. Methods for Studying Blue-green Algae in Ricefields: Distribution Ecology, Sampling Strategies, and Estimation of Abaundance. Rice Research Institute, 1991.
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