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.
Lua i Stíl Chicago (17ú heag.)Zavala Chavez, Fernando, agus Jose Tulio Mendez Montiel. Factors Affecting Seed Production in Pseudotsuga Macrolepis Flous in the State of Hidalgo, Mexico. Instituto de Ecología, A.C, 1996.
Lua MLA (9ú heag.)Zavala Chavez, Fernando, agus Jose Tulio Mendez Montiel. Factors Affecting Seed Production in Pseudotsuga Macrolepis Flous in the State of Hidalgo, Mexico. Instituto de Ecología, A.C, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
