Cita APA (7th ed.)

Rowell, E. K., & Steffen, B. L. (1996). Humer for preading and teaching. Baker Book house.

Cita Chicago (17th ed.)

Rowell, Edward K., i Bonne L. Steffen. Humer for Preading and Teaching. Grand Rapids: Baker Book house, 1996.

Cita MLA (9th ed.)

Rowell, Edward K., i Bonne L. Steffen. Humer for Preading and Teaching. Baker Book house, 1996.