Gaya APA

Ad-Dasuqi, D, K, '. et al (2008). Reasons of Happiness (Pertama). Solo: Wacana Ilmiah Press.

Gaya MLA

Ad-Dasuqi, Dr., Kholid, 'Umar. et al. "Reasons of Happiness". Pertama Solo: Wacana Ilmiah Press, 2008. Text.