Dyfyniad APA

Leal, D. (2003). Origin in home gardens in Costa Rica and sustainability.

Dyfyniad Arddull Chicago

Leal, Deborah. Origin in Home Gardens in Costa Rica and Sustainability. 2003.

Dyfyniad MLA

Leal, Deborah. Origin in Home Gardens in Costa Rica and Sustainability. 2003.

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