Dyfyniad APA

Massachusetts Horticultural Society, Horticultural Society of New York, & Pennsylvania Horticultural Society. Horticulture. Massachusetts Horticultural Society.

Dyfyniad Arddull Chicago

Massachusetts Horticultural Society, Horticultural Society of New York, and Pennsylvania Horticultural Society. Horticulture. Boston: Massachusetts Horticultural Society.

Dyfyniad MLA

Massachusetts Horticultural Society, et al. Horticulture. Massachusetts Horticultural Society.

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