APA (7e ed.) Bronvermelding

MILLER HERBERT. (1995). ASTD TRAINERS SOURCEBOOK: SALES. MCGRAW-HILL.

Chicago (17e ed.) Bronvermelding

MILLER HERBERT. ASTD TRAINERS SOURCEBOOK: SALES. NEW YORK: MCGRAW-HILL, 1995.

MLA (9e ed.) Bronvermelding

MILLER HERBERT. ASTD TRAINERS SOURCEBOOK: SALES. MCGRAW-HILL, 1995.