Cita APA (7th ed.)

Fromkin, V., & Rodman, R. (1998). An introduction to language (6th ed.). Harcourt Brace College Publishers.

Cita Chicago (17th ed.)

Fromkin, Victoria, i Robert Rodman. An Introduction to Language. 6th ed. Fort Worth: Harcourt Brace College Publishers, 1998.

Cita MLA (8th ed.)

Fromkin, Victoria, i Robert Rodman. An Introduction to Language. 6th ed. Harcourt Brace College Publishers, 1998.