APA ציטוט

Kauffman, G. a. H. (1977). Concepts and Methods of Biostratigraphy. DH&R.

Chicago Edition Citation

Kauffman, G and Hazel. Concepts and Methods of Biostratigraphy. Pennsylvania: DH&R, 1977.

ציטוט MLA

Kauffman, G and Hazel. Concepts and Methods of Biostratigraphy. DH&R, 1977.