Gaya APA

Scharmer, C, O. (2018). THE ESSENTIALS OF THEORY U : Core Principles and Applications . United States: BERRET-KOEHLER PUBLISHERS.

Gaya MLA

Scharmer, C., Otto. "THE ESSENTIALS OF THEORY U : Core Principles and Applications". United States: BERRET-KOEHLER PUBLISHERS, 2018. Text.