Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.