Cita APA (7th ed.)

Gosman, E. J., & Porreca, R. E. (1986). Classroom without teacher: Supply and demand in the West. Wetern Interstate Commission for Higher Education.

Cita Chicago (17th ed.)

Gosman, Erica J., i Richard E. Porreca. Classroom Without Teacher: Supply and Demand in the West. Boulder, Colo: Wetern Interstate Commission for Higher Education, 1986.

Cita MLA (9th ed.)

Gosman, Erica J., i Richard E. Porreca. Classroom Without Teacher: Supply and Demand in the West. Wetern Interstate Commission for Higher Education, 1986.