APA ציטוט

Thomas, J. (1981). An introduction to geological maps. George Allan r Unwin.

Chicago Style (17th ed.) Citation

Thomas, J.A.G. An Introduction to Geological Maps. George Allan r Unwin, 1981.

ציטוט MLA

Thomas, J.A.G. An Introduction to Geological Maps. George Allan r Unwin, 1981.