APA-referens (7:e uppl.)

Balch, K. (1993). Mathematics: Applications and connections. Glencoe.

Chicago-referens (17:e uppl.)

Balch, Kay. Mathematics: Applications and Connections. Lake Forest, Ill.: Glencoe, 1993.

MLA-referens (8:e uppl.)

Balch, Kay. Mathematics: Applications and Connections. Glencoe, 1993.