APA (7e ed.) Bronvermelding

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 (17e ed.) Bronvermelding

Mendoza Villarreal, Rosalinda, M. Humberto Reyes-Valdés, Carlos Espinosa Zapata, en 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 (9e ed.) Bronvermelding

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.