Citazione Stile APA (7a Edizione)

Spevacek, V. (1966). Some Problems of Constructing The Long-Term Projection in Czechoslovakia. The institute of national planning.

Citazione stile Chigago Style (17a edizione)

Spevacek, Vojtech. Some Problems of Constructing The Long-Term Projection in Czechoslovakia. Cairo: The institute of national planning, 1966.

Citatione MLA (9a ed.)

Spevacek, Vojtech. Some Problems of Constructing The Long-Term Projection in Czechoslovakia. The institute of national planning, 1966.