Cita APA (7th ed.)

Stromme, E., & Kristoffersen, T. (1976). Production of potted plants and cut flowers. ISHS.

Cita Chicago (17th ed.)

Stromme, E., i T. Kristoffersen. Production of Potted Plants and Cut Flowers. La Haya: ISHS, 1976.

Cita MLA (9th ed.)

Stromme, E., i T. Kristoffersen. Production of Potted Plants and Cut Flowers. ISHS, 1976.