Citazione APA

Gregory, H. (2010). Public speaking for college and career (9th ed.). Boston: McGraw-Hill Higher Education.

Stile di citazione Chicago

Gregory, Hamilton. Public Speaking for College and Career. 9th ed. Boston: McGraw-Hill Higher Education, 2010.

Citazione MLA

Gregory, Hamilton. Public Speaking for College and Career. 9th ed. Boston: McGraw-Hill Higher Education, 2010.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.