APA (7e ed.) Bronvermelding

HUMPHRIES JOHN. (1995). HOW TO COUNSEL PEOPLE AT WORK. HOW TO BOOKS.

Chicago (17e ed.) Bronvermelding

HUMPHRIES JOHN. HOW TO COUNSEL PEOPLE AT WORK. PLYMOUTH: HOW TO BOOKS, 1995.

MLA (9e ed.) Bronvermelding

HUMPHRIES JOHN. HOW TO COUNSEL PEOPLE AT WORK. HOW TO BOOKS, 1995.