Cita APA (7th ed.)

Dutwin, P., & Diamond, H. (1991). Writing the easy way: For school, business, and personal situations (2nd ed.). Barron's.

Cita Chicago (17th ed.)

Dutwin, Phyllis, i Harriet Diamond. Writing the Easy Way: For School, Business, and Personal Situations. 2nd ed. New York: Barron's, 1991.

Cita MLA (9th ed.)

Dutwin, Phyllis, i Harriet Diamond. Writing the Easy Way: For School, Business, and Personal Situations. 2nd ed. Barron's, 1991.