Gaya APA

Iskandar, A., Elsandra, V. (2021). Strategic Management Using OKR: A New and Powerful Management System Tool . Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Iskandar, Andy., Elsandra, Virgiona. "Strategic Management Using OKR: A New and Powerful Management System Tool". Jakarta: Gramedia Pustaka Utama, 2021. Text.