APA-ийн эшлэл(7 дахь хэвлэлт)

Vogel, A., & Duddy, K. (1998). JAVA Programming with COBRA (2nd ed.). Wiley Computer Publishing.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Vogel, Andreas, ба Keith Duddy. JAVA Programming with COBRA. 2nd ed. New Delhi: Wiley Computer Publishing, 1998.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Vogel, Andreas, ба Keith Duddy. JAVA Programming with COBRA. 2nd ed. Wiley Computer Publishing, 1998.