Παραπομπή APA

Tennent, J. (2002). Guide to business modelling. The Economist Books.

Παραπομπή Chicago Style

Tennent, John. Guide to Business Modelling. London: The Economist Books, 2002.

Παραπομπή MLA

Tennent, John. Guide to Business Modelling. The Economist Books, 2002.