APA ציטוט

Orlov, Y., & Hardin, H. Fundamentals of Paleontology.

Chicago Edition Citation

Orlov, Yu.A, and Hilary Hardin. Fundamentals of Paleontology. Jarsusalam.

ציטוט MLA

Orlov, Yu.A, and Hilary Hardin. Fundamentals of Paleontology.