Gaya APA

Drucker, P, F. (2010). The Frontiers of Management: Where Tomorrow's Decisions Are Being Shaped Today (1). United States of America: Harvard Business School. Press.

Gaya MLA

Drucker, Peter, F.. "The Frontiers of Management: Where Tomorrow's Decisions Are Being Shaped Today". 1 United States of America: Harvard Business School. Press, 2010. Text.