APA-referens (7:e uppl.)

Schnelle, K. E. (1967). Case analysis and business problem solving. McGraw-Hill.

Chicago-referens (17:e uppl.)

Schnelle, Kenneth E. Case Analysis and Business Problem Solving. New York: McGraw-Hill, 1967.

MLA-referens (9:e uppl.)

Schnelle, Kenneth E. Case Analysis and Business Problem Solving. McGraw-Hill, 1967.