APA Citatie

Riffle, R. L. (1998). The tropical look: An encyclopedia of lanscape plants for worldwide use (with 414 illustrations, 409 in colors). London, Eng: Thames and Hudson.

Chicago Style citaat

Riffle, Robert Lee. The Tropical Look: An Encyclopedia of Lanscape Plants for Worldwide Use (with 414 Illustrations, 409 in Colors). London, Eng: Thames and Hudson, 1998.

MLA citatie

Riffle, Robert Lee. The Tropical Look: An Encyclopedia of Lanscape Plants for Worldwide Use (with 414 Illustrations, 409 in Colors). London, Eng: Thames and Hudson, 1998.