Oke, J., & Heller, J. (2003). Once upon a summer: Seasons of the heart (oke) series, book 1 (Unabridged.). Recorded Books Inc..
Style de citation Chicago (17e éd.)Oke, Janette, et Johnny Heller. Once upon a Summer: Seasons of the Heart (oke) Series, Book 1. Unabridged. Prince Frederick: Recorded Books Inc., 2003.
Style de citation MLA (8e éd.)Oke, Janette, et Johnny Heller. Once upon a Summer: Seasons of the Heart (oke) Series, Book 1. Unabridged. Recorded Books Inc., 2003.
Attention : ces citations peuvent ne pas être correctes à 100%.