Avila Naranjo, J. A., Garcia Moya, E., & Reyes Agüero, J. A. (1992). Record of Pinus discolor Bailey et Hawksworth in the Sierra de Monte Grande, San Luis Potosí, Mexico. Instituto de Ecología, A.C.
Čikaški stil citiranja (17. izdanje)Avila Naranjo, Jose Antonio, Edmundo Garcia Moya, i Juan Antonio Reyes Agüero. Record of Pinus Discolor Bailey Et Hawksworth in the Sierra De Monte Grande, San Luis Potosí, Mexico. Instituto de Ecología, A.C, 1992.
MLA način citiranja (9. izdanje)Avila Naranjo, Jose Antonio, et al. Record of Pinus Discolor Bailey Et Hawksworth in the Sierra De Monte Grande, San Luis Potosí, Mexico. Instituto de Ecología, A.C, 1992.
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