APA (7e ed.) Bronvermelding

DUGGER, J. (1992). Business Letter For Busy People Jim Dugger. Golden Books Centre.

Chicago (17e ed.) Bronvermelding

DUGGER, Jim. Business Letter For Busy People Jim Dugger. Golden Books Centre, 1992.

MLA (8e ed.) Bronvermelding

DUGGER, Jim. Business Letter For Busy People Jim Dugger. Golden Books Centre, 1992.

Let op: Deze citaties zijn niet altijd 100% accuraat.