Freedman, H. R., & Krieger, K. (1983). The Whiter's Guide to Magazine Markets: Nonfiction. New American Library.
Cita Chicago Style (17a ed.)Freedman, Helen Rosengren, y Karen Krieger. The Whiter's Guide to Magazine Markets: Nonfiction. New York: New American Library, 1983.
Cita MLA (9a ed.)Freedman, Helen Rosengren, y Karen Krieger. The Whiter's Guide to Magazine Markets: Nonfiction. New American Library, 1983.
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