Gaya APA

Snyder, C., NICHOLSON, W. (2012). MICROECONOMIC THEORY; Basic Principles and Extensions (11th). Australia: SOUTH-WESTERN CENGAGE LEARNING.

Gaya MLA

Snyder, Christopher., NICHOLSON, Walter. "MICROECONOMIC THEORY; Basic Principles and Extensions". 11th Australia: SOUTH-WESTERN CENGAGE LEARNING, 2012. Text.