APA引文

Oke, J., & Heller, J. (2003). Once upon a summer: Seasons of the heart (oke) series, book 1 (Unabridged.). Recorded Books Inc..

Chicago Style (17th ed.) Citation

Oke, Janette, and Johnny Heller. Once upon a Summer: Seasons of the Heart (oke) Series, Book 1. Unabridged. Prince Frederick: Recorded Books Inc., 2003.

MLA引文

Oke, Janette, and Johnny Heller. Once upon a Summer: Seasons of the Heart (oke) Series, Book 1. Unabridged. Recorded Books Inc., 2003.

警告：這些引文格式不一定是100％准確.