APA-čujuhus (7. p.)

Mendoza Villarreal, R., Reyes-Valdés, M. H., Espinosa Zapata, C., & Villarreal Quintanilla, J. Á. (2006). Pollen viability in a cultivated sunflower line, in the wild sunflower (Helianthus annuus L. ssp. texanus Heiser) and in its hybrid offspring. Instituto de Ecología, A.C.

Chicago-čujuhus (17. p.)

Mendoza Villarreal, Rosalinda, M. Humberto Reyes-Valdés, Carlos Espinosa Zapata, juo José Ángel Villarreal Quintanilla. Pollen Viability in a Cultivated Sunflower Line, in the Wild Sunflower (Helianthus Annuus L. Ssp. Texanus Heiser) and in Its Hybrid Offspring. Instituto de Ecología, A.C, 2006.

MLA-čujuhus (9. p.)

Mendoza Villarreal, Rosalinda, et al. Pollen Viability in a Cultivated Sunflower Line, in the Wild Sunflower (Helianthus Annuus L. Ssp. Texanus Heiser) and in Its Hybrid Offspring. Instituto de Ecología, A.C, 2006.

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