Guerrero, R. 1., Fernandez, D., & De Jesus, C. C. (1998). Training module on lake environment protection, conservation and management. PCAMRD.
Cita Chicago (17th ed.)Guerrero, Rafael 111., Dalisay Fernandez, i Castor C. De Jesus. Training Module on Lake Environment Protection, Conservation and Management. Los Banos, Laguna: PCAMRD, 1998.
Cita MLA (9th ed.)Guerrero, Rafael 111., et al. Training Module on Lake Environment Protection, Conservation and Management. PCAMRD, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.