Παραπομπή APA

Pyatt, G., & Thorbecke, E. (1976). Planning techniques for a better future. Oxford & IBH Publishing Company.

Παραπομπή Chicago Style

Pyatt, Graham, και Erik Thorbecke. Planning Techniques for a Better Future. New Delhi: Oxford & IBH Publishing Company, 1976.

Παραπομπή MLA

Pyatt, Graham, και Erik Thorbecke. Planning Techniques for a Better Future. Oxford & IBH Publishing Company, 1976.