American Society for Indexing, Zafran, E. L., & Shapiro, J. (2009). Starting an indexing business (4th ed.). American Society for Indexing, Inc.
Chicago Style (17. basım) AtıfAmerican Society for Indexing, Enid L. Zafran, ve Joan Shapiro. Starting an Indexing Business. 4th ed. Medford, N.J: American Society for Indexing, Inc, 2009.
MLA (9th ed.) AtıfAmerican Society for Indexing, et al. Starting an Indexing Business. 4th ed. American Society for Indexing, Inc, 2009.
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