APA (7th ed.) Citation

KARTAJAYA, H., & RIDWANSYAH, A. (2013). Local champion! Gramedia Pustaka Utama.

Chicago Style (17th ed.) Citation

KARTAJAYA, Hermawan, and Ardhi RIDWANSYAH. Local Champion! Gramedia Pustaka Utama, 2013.

MLA (8th ed.) Citation

KARTAJAYA, Hermawan, and Ardhi RIDWANSYAH. Local Champion! Gramedia Pustaka Utama, 2013.

Warning: These citations may not always be 100% accurate.