APA (7e ed.) Bronvermelding

Nagao, T., & Saitō, I. (2000). Kokology: The game of self-discovery. Simon & Schuster.

Chicago (17e ed.) Bronvermelding

Nagao, Tadahiko, en Isamu Saitō. Kokology: The Game of Self-discovery. New York: Simon & Schuster, 2000.

MLA (9e ed.) Bronvermelding

Nagao, Tadahiko, en Isamu Saitō. Kokology: The Game of Self-discovery. Simon & Schuster, 2000.