Gaya APA

Drucker, P, F. (2017). The Theory Of The Business (Cet.1-Ed.1). Pekalongan: Harvard Business Review Press.

Gaya MLA

Drucker, Peter, F.. "The Theory Of The Business". Cet.1-Ed.1 Pekalongan: Harvard Business Review Press, 2017. Buku Teks.