APA引文

Perry, D. J., & Devern J. Perry. South-Western spelling reference: 29,000+ words. Clifton Park: Cengage Learning, Inc.

Trích dẫn kiểu Chicago

Perry, Devern J., và Devern J. Perry. South-Western Spelling Reference: 29,000+ Words. Clifton Park: Cengage Learning, Inc.

MLA引文

Perry, Devern J., và Devern J. Perry. South-Western Spelling Reference: 29,000+ Words. Clifton Park: Cengage Learning, Inc.

警告：這些引文格式不一定是100％准確.