Snyder, C. M., & Nicholson, W. [ca. 2012]. Microeconomic theory : basic principles and extensions (11. ed., internat. ed.) [Book]. Singapore [u.a.]: South-Western College Publishing.

SNYDER, Christopher M. und NICHOLSON, Walter, 2012. Microeconomic theory : basic principles and extensions. 11. ed., internat. ed. Singapore [u.a.]: South-Western College Publishing. ISBN 9781111525514.

Snyder, C. M., und W. Nicholson. Microeconomic theory : basic principles and extensions. 11. ed., internat. ed., book, South-Western College Publishing, 2012.

Snyder, Christopher M./Nicholson, Walter: Microeconomic theory : basic principles and extensions, 11. ed., internat. ed. Aufl. Singapore [u.a.] 2012.

Snyder, C.M. und Nicholson, W. (2012), Microeconomic theory : basic principles and extensions, 11. ed., internat. ed., Bd. , South-Western College Publishing, Singapore [u.a.].