APA aipamena

Patton, D. H., & Shank, S. (1937). Progressive word mastery. Charles E. Merrill Company.

Chicago Style aipamena

Patton, David Hubert, and Shank Shank. Progressive Word Mastery. New York ; Chicago: Charles E. Merrill Company, 1937.

MLA aipamena

Patton, David Hubert, and Shank Shank. Progressive Word Mastery. Charles E. Merrill Company, 1937.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.