Galvin, K. M., & Book, C. L. (1973). Person to person: An introduction to speech communication. National Textbook.
Citazione stile Chigago Style (17a edizione)Galvin, Kathleen M., e Cassandra L. Book. Person to Person: An Introduction to Speech Communication. Skokie, Ill: National Textbook, 1973.
Citatione MLA (9a ed.)Galvin, Kathleen M., e Cassandra L. Book. Person to Person: An Introduction to Speech Communication. National Textbook, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.