Gaya APA

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

Gaya MLA

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