Gaya APA

Hummelbrunner, S. (1990). Contemporary business mathematics with Canadian applications (3rd. Ed). Prentice-Hall: Prentice-Hall Canada Inc.

Gaya MLA

Hummelbrunner, S.A.. "Contemporary business mathematics with Canadian applications". 3rd. Ed Prentice-Hall: Prentice-Hall Canada Inc, 1990. Text.