Cita APA (7th ed.)

Ellis, B. W. (2000). Taylor's guide to ground covers. Houghton Mifflin Co..

Cita Chicago (17th ed.)

Ellis, Barbara W. Taylor's Guide to Ground Covers. Boston: Houghton Mifflin Co., 2000.

Cita MLA (9th ed.)

Ellis, Barbara W. Taylor's Guide to Ground Covers. Houghton Mifflin Co., 2000.

Atenció: Aquestes cites poden no estar 100% correctes.