Cita APA (7th ed.)

Diedrich, W. M., & Bangert, J. (1980). Articulation Learning. College-Hill Pr.

Cita Chicago (17th ed.)

Diedrich, William M., i Jeff Bangert. Articulation Learning. Houston, Taxas: College-Hill Pr, 1980.

Cita MLA (9th ed.)

Diedrich, William M., i Jeff Bangert. Articulation Learning. College-Hill Pr, 1980.

Atenció: Aquestes cites poden no estar 100% correctes.