Gaya APA

Shrock, R, R. (1948). Sequence in Layered Rocks A Study Features and Stuctures Useful for Determining Top and Botton or Order of Succession in Bedded & tabular Rock Bodies . New York: McGraw-Hill Book Company.

Gaya MLA

Shrock, Robert, R. "Sequence in Layered Rocks A Study Features and Stuctures Useful for Determining Top and Botton or Order of Succession in Bedded & tabular Rock Bodies". New York: McGraw-Hill Book Company, 1948. Text.