APA (7e ed.) Bronvermelding

Block, J. A., & Betrus, M. (1999). 101 best cover letters. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Block, Jay A., en Michael Betrus. 101 Best Cover Letters. New York: McGraw-Hill, 1999.

MLA (9e ed.) Bronvermelding

Block, Jay A., en Michael Betrus. 101 Best Cover Letters. McGraw-Hill, 1999.