Cita APA (7th ed.)

Ingels, J. E. (2001). Ornamental horticulture: Science, operations and management (3rd ed.). Delmar.

Cita Chicago (17th ed.)

Ingels, Jack E. Ornamental Horticulture: Science, Operations and Management. 3rd ed. Australia: Delmar, 2001.

Cita MLA (9th ed.)

Ingels, Jack E. Ornamental Horticulture: Science, Operations and Management. 3rd ed. Delmar, 2001.