APA aipamena

Coling, G. (1974). Citizen Action Guide To Engergy Conservation.

Chicago Style aipamena

Coling, George. Citizen Action Guide To Engergy Conservation. 1974.

MLA aipamena

Coling, George. Citizen Action Guide To Engergy Conservation. 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.