Gomez, A. A., Swete Kelly, D. E., & Baril, M. T. A. (1998). Catalogue of conservation practices for agriculture on sloping land. SEARCA.
Chicago Style (17. basım) AtıfGomez, Arturo A., David E. Swete Kelly, ve Ma. Theresa A. Baril. Catalogue of Conservation Practices for Agriculture on Sloping Land. Laguna, Phils: SEARCA, 1998.
MLA (9th ed.) AtıfGomez, Arturo A., et al. Catalogue of Conservation Practices for Agriculture on Sloping Land. SEARCA, 1998.
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