Dyfyniad APA

Pyatt & Thorbocke Erik. (1976). Planning techniques for a better future. Oxford & IBH publishing company.

Dyfyniad Arddull Chicago

Pyatt and Thorbocke Erik. Planning Techniques for a Better Future. New Delhi: Oxford & IBH publishing company, 1976.

Dyfyniad MLA

Pyatt and Thorbocke Erik. 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.