Παραπομπή APA

Walker, G. (1990). Industrial heat exchangers: : a basic guide (2nd ed.). Hemisphere Pub. Corp.

Παραπομπή Chicago Style

Walker, G. Industrial Heat Exchangers: : A Basic Guide. 2nd ed. New York: Hemisphere Pub. Corp, 1990.

Παραπομπή MLA

Walker, G. Industrial Heat Exchangers: : A Basic Guide. 2nd ed. Hemisphere Pub. Corp, 1990.