Cita APA (7th ed.)

Kaplan, J. P. (1995). English grammar: Principles and facts (2nd ed.). Prentice Hall.

Cita Chicago (17th ed.)

Kaplan, Jeffrey P. English Grammar: Principles and Facts. 2nd ed. Englewood Cliffs, N.J: Prentice Hall, 1995.

Cita MLA (9th ed.)

Kaplan, Jeffrey P. English Grammar: Principles and Facts. 2nd ed. Prentice Hall, 1995.