APA ציטוט

Liddle, A. (2003). An introduction to modern cosmology. Great Britain: Wiley.

Trích dẫn kiểu Chicago

Liddle, Andrew. An Introduction to Modern Cosmology. Great Britain: Wiley, 2003.

ציטוט MLA

Liddle, Andrew. An Introduction to Modern Cosmology. Great Britain: Wiley, 2003.