Cita APA (7th ed.)

Schwartz, L., & Armstrong, B. (1989). Think on your feet. Learning Works.

Cita Chicago (17th ed.)

Schwartz, Linda, i Beverly Armstrong. Think on Your Feet. Santa Barbara, Calif: Learning Works, 1989.

Cita MLA (9th ed.)

Schwartz, Linda, i Beverly Armstrong. Think on Your Feet. Learning Works, 1989.