Dyfyniad APA

Vallejos, J., Badilla, Y., Picado, F., & Murillo, O. (2009). Plus trees selection and incorporation in tree improvement programs.

Dyfyniad Arddull Chicago

Vallejos, Jonathan, Yorleny Badilla, Félix Picado, y Olman Murillo. Plus Trees Selection and Incorporation in Tree Improvement Programs. 2009.

Dyfyniad MLA

Vallejos, Jonathan, Yorleny Badilla, Félix Picado, y Olman Murillo. Plus Trees Selection and Incorporation in Tree Improvement Programs. 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.