Claudio, K. R., De Guzman, E. F., & Ruiz, D. R. S. (1998). A Feasibility study on Natural Ylang-Ylang oil. College of Engineering.
Chicago Style (17. basım) AtıfClaudio, Kristine R., Elaine F. De Guzman, ve Dida Rowena S. Ruiz. A Feasibility Study on Natural Ylang-Ylang Oil. Diliman, Quezon City: College of Engineering, 1998.
MLA (9th ed.) AtıfClaudio, Kristine R., et al. A Feasibility Study on Natural Ylang-Ylang Oil. College of Engineering, 1998.
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