APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.