Cita APA (7th ed.)

Rees, A. R. (1992). Ornamental bulbs, corms and tubers. CAB International.

Cita Chicago (17th ed.)

Rees, A. R. Ornamental Bulbs, Corms and Tubers. Wallingford: CAB International, 1992.

Cita MLA (9th ed.)

Rees, A. R. Ornamental Bulbs, Corms and Tubers. CAB International, 1992.