APA-referens (7:e uppl.)

Schmitt, C. J. (1998). Invitation to languages: Foreign language exploratory program. Glencoe McGraw-Hill.

Chicago-referens (17:e uppl.)

Schmitt, Conrad J. Invitation to Languages: Foreign Language Exploratory Program. New York: Glencoe McGraw-Hill, 1998.

MLA-referens (8:e uppl.)

Schmitt, Conrad J. Invitation to Languages: Foreign Language Exploratory Program. Glencoe McGraw-Hill, 1998.