Silverthorn, J. E., Oberly, J. W., & Perry, D. J. (1971). College vocabulary building (5ta. ed.). Cincinnati: South-Western.
Chicago Style CitationSilverthorn, J. E., John W. Oberly, and Devern J. Perry. College Vocabulary Building. 5ta. ed. Cincinnati: South-Western, 1971.
MLA CitationSilverthorn, J. E., John W. Oberly, and Devern J. Perry. College Vocabulary Building. 5ta. ed. Cincinnati: South-Western, 1971.
Warning: These citations may not always be 100% accurate.