Perrin, P. G., Dykema, K. W., & Ebbitt, W. R. (1965). Writer's guide and index to English (4th ed.). Scott, Foresman.
Chicago Style (17. basım) AtıfPerrin, Porter Gale, Karl W. Dykema, ve Wilma R. Ebbitt. Writer's Guide and Index to English. 4th ed. Chicago: Scott, Foresman, 1965.
MLA (9th ed.) AtıfPerrin, Porter Gale, et al. Writer's Guide and Index to English. 4th ed. Scott, Foresman, 1965.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..