Cita APA (7th ed.)

SMITH,R. Kent. (1990). Building vocabulary for college. D.C. Heath and Co.

Cita Chicago (17th ed.)

SMITH,R. Kent. Building Vocabulary for College. Lexington: D.C. Heath and Co, 1990.

Cita MLA (9th ed.)

SMITH,R. Kent. Building Vocabulary for College. D.C. Heath and Co, 1990.