Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.