Παραπομπή σε μορφή APA (7η εκδ.)

Hassan, N. A., & Hijazi, R. (2018). Open Source Intelligence Methods and Tools: A Practical Guide to Online Intelligence (1st ed. 2018.). Apress : Imprint: Apress. https://doi.org/10.1007/978-1-4842-3213-2

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hassan, Nihad A., και Rami Hijazi. Open Source Intelligence Methods and Tools: A Practical Guide to Online Intelligence. 1st ed. 2018. Berkeley, CA: Apress : Imprint: Apress, 2018. https://doi.org/10.1007/978-1-4842-3213-2.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hassan, Nihad A., και Rami Hijazi. Open Source Intelligence Methods and Tools: A Practical Guide to Online Intelligence. 1st ed. 2018. Apress : Imprint: Apress, 2018. https://doi.org/10.1007/978-1-4842-3213-2.