Tohutoro APA (7th ed.)

(1973). Symposium on Timing of the Field-Production of Vegetable Crops. Chairman: D. Fritz. Alkmaar, 9-13 June 1969.

Tohutoru Kātū Chicago (17th ed.)

Symposium on Timing of the Field-Production of Vegetable Crops. Chairman: D. Fritz. Alkmaar, 9-13 June 1969. 1973.

Tohutoro MLA (9th ed.)

Symposium on Timing of the Field-Production of Vegetable Crops. Chairman: D. Fritz. Alkmaar, 9-13 June 1969. 1973.