Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.