APA (7th ed.) Citation

Nafis, M. W., & Mohd. Zawawi Daud. (2007). Yakin diri: 9 jalan cerdas emosi & cerdas spiritual. PTS Millennia.

Chicago Style (17th ed.) Citation

Nafis, Muhamad Wahyuni, and Mohd. Zawawi Daud. Yakin Diri: 9 Jalan Cerdas Emosi & Cerdas Spiritual. Kuala Lumpur: PTS Millennia, 2007.

MLA (9th ed.) Citation

Nafis, Muhamad Wahyuni, and Mohd. Zawawi Daud. Yakin Diri: 9 Jalan Cerdas Emosi & Cerdas Spiritual. PTS Millennia, 2007.