Cita APA (7a ed.)

Fernando, A. a., & Warusawithana, L. a. (2020). Beginning Ballerina Programming: From Novice to Professional (1st ed. 2020.). Apress.

Cita Chicago Style (17a ed.)

Fernando, Anjana. author, y Lakmal. author Warusawithana. Beginning Ballerina Programming: From Novice to Professional. 1st ed. 2020. Berkeley, CA: Apress, 2020.

Cita MLA (9a ed.)

Fernando, Anjana. author, y Lakmal. author Warusawithana. Beginning Ballerina Programming: From Novice to Professional. 1st ed. 2020. Apress, 2020.