APA aipamena

WAINWRIGHT GORDON R. (1992). S.T.E.P.S. FOR SUCCESS: SELF TRAINING IN ESSENTIAL PERSONAL SKILLS. MERCURY BOOKS.

Chicago Style aipamena

WAINWRIGHT GORDON R. S.T.E.P.S. FOR SUCCESS: SELF TRAINING IN ESSENTIAL PERSONAL SKILLS. LONDON: MERCURY BOOKS, 1992.

MLA aipamena

WAINWRIGHT GORDON R. S.T.E.P.S. FOR SUCCESS: SELF TRAINING IN ESSENTIAL PERSONAL SKILLS. MERCURY BOOKS, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.