Gifford, P. B. (1984). Welcome to racquetball. Texas: Burgess International Group Inc.
Trích dẫn kiểu ChicagoGifford, Peter B. Welcome to Racquetball. Texas: Burgess International Group Inc, 1984.
MLA引文Gifford, Peter B. Welcome to Racquetball. Texas: Burgess International Group Inc, 1984.
警告:這些引文格式不一定是100%准確.