Gaya APA

The essentials. (2019). America: Harvad Business Review Press.

Gaya Chicago

The essentials. . America: Harvad Business Review Press, 2019. Teks.

Gaya MLA

The essentials. . America: Harvad Business Review Press, 2019. Teks.

Gaya Turabian

The essentials. America: Harvad Business Review Press, 2019. Teks.