Cita APA

Loberger, G. J., & Shoup, K. (2009). Webster's new world English grammar handbook (2. ed.). Boston: Houghton Mifflin Harcourt.

Citación estilo Chicago

Loberger, Gordon J., y Kate Shoup. Webster's New World English Grammar Handbook. 2. ed. Boston: Houghton Mifflin Harcourt, 2009.

Cita MLA

Loberger, Gordon J., y Kate Shoup. Webster's New World English Grammar Handbook. 2. ed. Boston: Houghton Mifflin Harcourt, 2009.