Παραπομπή σε μορφή APA (7η εκδ.)

Cheng, K., & Romero, G. (2005). Multiwavelength Approach to Unidentified Gamma-Ray Sources: A Second Workshop on the Nature of the High-Energy Unidentified Sources. Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Cheng, K.S, και G.E Romero. Multiwavelength Approach to Unidentified Gamma-Ray Sources: A Second Workshop on the Nature of the High-Energy Unidentified Sources. Dordrecht: Springer, 2005.

Παραπομπή σε μορφή MLA (8th εκδ.)

Cheng, K.S, και G.E Romero. Multiwavelength Approach to Unidentified Gamma-Ray Sources: A Second Workshop on the Nature of the High-Energy Unidentified Sources. Springer, 2005.