Collins, J. (2017). Good to great. Gramedia Pustaka Utama.
Chicago Style aipamenaCollins, Jim. Good to Great. Gramedia Pustaka Utama, 2017.
MLA aipamenaCollins, Jim. Good to Great. Gramedia Pustaka Utama, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.