Παραπομπή APA

(1998). Proceedings of the second conference and exposition on petroleum geophysics (s PG' 98). Society of Petroleum Geophysicists.

Παραπομπή Chicago Style

Proceedings of the Second Conference and Exposition on Petroleum Geophysics (s PG' 98). Dehradun: Society of Petroleum Geophysicists, 1998.

Παραπομπή MLA

Proceedings of the Second Conference and Exposition on Petroleum Geophysics (s PG' 98). Society of Petroleum Geophysicists, 1998.