Cita APA

Cox, R. D., & Richard D. Cox. Singer's Manual of German and French Diction. Belmont, CA: Cengage Learning, Inc.

Chicago Style Citation

Cox, Richard D., i Richard D. Cox. Singer's Manual of German and French Diction. Belmont, CA: Cengage Learning, Inc.

Cita MLA

Cox, Richard D., i Richard D. Cox. Singer's Manual of German and French Diction. Belmont, CA: Cengage Learning, Inc.