APA (7th ed.) Zitazioa

Koval, N. (1972). Fundamentals of national economic planning: In the USSR. Novosti Pr.

Chicago Style (17th ed.) Zitazioa

Koval, Nikolai. Fundamentals of National Economic Planning: In the USSR. Moscow: Novosti Pr, 1972.

MLA (9th ed.) Zitazioa

Koval, Nikolai. Fundamentals of National Economic Planning: In the USSR. Novosti Pr, 1972.