Gaya APA

Lickona, T., Wamaungo, J, A. (2019). Character Matters: Persoalan Karakter . Jakarta: Bumi Aksara.

Gaya MLA

Lickona, Thomas., Wamaungo, Juma, Abdu. "Character Matters: Persoalan Karakter". Jakarta: Bumi Aksara, 2019. Text.