Παραπομπή σε μορφή APA (7η εκδ.)

National College of Agricultural Engineering & Plant Protection Ltd. (1972). Polyrow sprayer. National College of Agricultural Engineering].

Παραπομπή σε μορφή Chicago (17η εκδ.)

National College of Agricultural Engineering και Plant Protection Ltd. Polyrow Sprayer. [Silsoe, Eng.: National College of Agricultural Engineering], 1972.

Παραπομπή σε μορφή MLA (8th εκδ.)

National College of Agricultural Engineering και Plant Protection Ltd. Polyrow Sprayer. National College of Agricultural Engineering], 1972.