Tohutoro APA (7th ed.)

Savvas, D., & Passam, H. (2002). Hydroponic production of vegetables and ornamentals (1a. ed.). Embryo Publications.

Tohutoru Kātū Chicago (17th ed.)

Savvas, Dimitrios, me Harold Passam. Hydroponic Production of Vegetables and Ornamentals. 1a. ed. Atenas: Embryo Publications, 2002.

Tohutoro MLA (9th ed.)

Savvas, Dimitrios, me Harold Passam. Hydroponic Production of Vegetables and Ornamentals. 1a. ed. Embryo Publications, 2002.