Tohutoro APA (7th ed.)

qayum, a. (1964). cumulative marginal productivity life of plants and the optimal technology. the institute of national planning.

Tohutoru Kātū Chicago (17th ed.)

qayum, a. Cumulative Marginal Productivity Life of Plants and the Optimal Technology. cairo: the institute of national planning, 1964.

Tohutoro MLA (9th ed.)

qayum, a. Cumulative Marginal Productivity Life of Plants and the Optimal Technology. the institute of national planning, 1964.