APA aipamena

PRYOR FREED. (1987). ENERGETIC MANAGER. PRENTICE -HALL INTERNATIONAL, INC.

Chicago Style aipamena

PRYOR FREED. ENERGETIC MANAGER. NEW JERSEY: PRENTICE -HALL INTERNATIONAL, INC, 1987.

MLA aipamena

PRYOR FREED. ENERGETIC MANAGER. PRENTICE -HALL INTERNATIONAL, INC, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.