Gaya APA

Bloch, D. et al (). Kekuatan Percakapan Positif: The Power of Positive Talk . Batam: Karisma Publishing Group.

Gaya MLA

Bloch, Douglas. et al. "Kekuatan Percakapan Positif: The Power of Positive Talk". Batam: Karisma Publishing Group, . Text.