Dyfyniad APA

Hubbard, L. R. (2012). Horticulture: For a greener world. Bridge Publications.

Dyfyniad Arddull Chicago

Hubbard, L. Ron. Horticulture: For a Greener World. Commerce, California: Bridge Publications, 2012.

Dyfyniad MLA

Hubbard, L. Ron. Horticulture: For a Greener World. Bridge Publications, 2012.

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