Davis, N. B. Vocabulary improvement a program for self-instruction (2a ed.).
Cita Chicago (17th ed.)Davis, Nancy B. Vocabulary Improvement a Program for Self-instruction. 2a ed.
Cita MLA (8th ed.)Davis, Nancy B. Vocabulary Improvement a Program for Self-instruction. 2a ed.
Atenció: Aquestes cites poden no estar 100% correctes.