APA (7e ed.) Bronvermelding

Gregory, H. (1999). Public speaking for college and career (5th.ed.). McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Gregory, Hamilton. Public Speaking for College and Career. 5th.ed. Boston: McGraw-Hill, 1999.

MLA (9e ed.) Bronvermelding

Gregory, Hamilton. Public Speaking for College and Career. 5th.ed. McGraw-Hill, 1999.