Παραπομπή σε μορφή APA (7η εκδ.)

Ashley, W. D., & Krause, A. (2019). Foundations of PyGTK Development: GUI Creation with Python (2nd ed. 2019.). Apress : Imprint: Apress. https://doi.org/10.1007/978-1-4842-4179-0

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ashley, W. David, και Andrew Krause. Foundations of PyGTK Development: GUI Creation with Python. 2nd ed. 2019. Berkeley, CA: Apress : Imprint: Apress, 2019. https://doi.org/10.1007/978-1-4842-4179-0.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ashley, W. David, και Andrew Krause. Foundations of PyGTK Development: GUI Creation with Python. 2nd ed. 2019. Apress : Imprint: Apress, 2019. https://doi.org/10.1007/978-1-4842-4179-0.