Zavala Chavez, F., & Mendez Montiel, J. T. (1996). Factors affecting seed production in Pseudotsuga macrolepis flous in the state of Hidalgo, Mexico. Instituto de Ecología, A.C.
Čikaški stil citiranja (17. izdanje)Zavala Chavez, Fernando, i Jose Tulio Mendez Montiel. Factors Affecting Seed Production in Pseudotsuga Macrolepis Flous in the State of Hidalgo, Mexico. Instituto de Ecología, A.C, 1996.
MLA način citiranja (9. izdanje)Zavala Chavez, Fernando, i Jose Tulio Mendez Montiel. Factors Affecting Seed Production in Pseudotsuga Macrolepis Flous in the State of Hidalgo, Mexico. Instituto de Ecología, A.C, 1996.
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