APA aipamena

Brookfield, M. E. (2004). Principles of stratigraphy. Blackwell Pub..

Chicago Style aipamena

Brookfield, M. E. Principles of Stratigraphy. Malden, MA: Blackwell Pub., 2004.

MLA aipamena

Brookfield, M. E. Principles of Stratigraphy. Blackwell Pub., 2004.