APA

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

Chicago

Block Jay A, Betrus Michael, . 1999. 101 best cover letters. New York: McGraw-Hill.

Harvard

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

MLA

Block Jay A, Betrus Michael, . 101 best cover letters. New York: McGraw-Hill. 1999.