APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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