Citace podle APA (7th ed.)
Erthridge, J. M. (1979). Contemporary Authors: A Bibliographyical guide to curent authors and their works (ed.). Gale Research company.
Citace podle Chicago (17th ed.)
Erthridge, James M. Contemporary Authors: A Bibliographyical Guide to Curent Authors and Their Works. ed. Michigan: Gale Research company, 1979.
Citace podle MLA (9th ed.)
Erthridge, James M. Contemporary Authors: A Bibliographyical Guide to Curent Authors and Their Works. ed. Gale Research company, 1979.
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