Gaya APA

Yahya, A. (2014). Great Spirit Grand Strategy Corporate Philosophy, Leadership Architecture, and Corporate Culture for Sustainable Growth . Jakarta: PT Gramedia Pustaka Utama.

Gaya MLA

Yahya, Arief. "Great Spirit Grand Strategy Corporate Philosophy, Leadership Architecture, and Corporate Culture for Sustainable Growth". Jakarta: PT Gramedia Pustaka Utama, 2014. Text.