Παραπομπή APA

Valdivia, R., Vidal, V. A., & Sierra, M. (2006). Maize progenitor selection to obtain hybrid seeds by small farmers.

Παραπομπή Chicago Style

Valdivia, Roberto, Víctor A. Vidal, και Mauro Sierra. Maize Progenitor Selection to Obtain Hybrid Seeds By Small Farmers. 2006.

Παραπομπή MLA

Valdivia, Roberto, Víctor A. Vidal, και Mauro Sierra. Maize Progenitor Selection to Obtain Hybrid Seeds By Small Farmers. 2006.

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