APA aipamena

AUSTIN , B. (1989). MAKING EFFECTIVE USE OF EXECUTIVE TIME. STERLING PUB.

Chicago Style aipamena

AUSTIN , BRUCE. MAKING EFFECTIVE USE OF EXECUTIVE TIME. STERLING PUB, 1989.

MLA aipamena

AUSTIN , BRUCE. MAKING EFFECTIVE USE OF EXECUTIVE TIME. STERLING PUB, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.