Tohutoro APA (7th ed.)

Linstone, H. A., Simmonds, W. H. C., & Bäckstrand, G. (1977). Futures research: New directions. Addison-Wesley Pub. Co., Advanced Book Program.

Tohutoru Kātū Chicago (17th ed.)

Linstone, Harold A., Walter Henry Clive Simmonds, me Göran Bäckstrand. Futures Research: New Directions. Reading, Mass.: Addison-Wesley Pub. Co., Advanced Book Program, 1977.

Tohutoro MLA (9th ed.)

Linstone, Harold A., et al. Futures Research: New Directions. Addison-Wesley Pub. Co., Advanced Book Program, 1977.