APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.