MLA

Gil, Ziv, and Dan M Fliss. Tumours of the Skull Base and Paranasal Sinuses. Springer India, 2012.

APA

Gil, Z., & Fliss, D. M. (2012). Tumours of the Skull Base and Paranasal Sinuses. Springer India.

Chicago

Gil, Ziv, and Dan M Fliss. Tumours of the Skull Base and Paranasal Sinuses. : Springer India, 2012.