APA (7th ed.) Citation

Parlindungan Mrapaung & Hasnah Daud. (2009). Mencari makna hidup. PTS Islamika.

Chicago Style (17th ed.) Citation

Parlindungan Mrapaung and Hasnah Daud. Mencari Makna Hidup. Batu Caves, Selangor: PTS Islamika, 2009.

MLA (8th ed.) Citation

Parlindungan Mrapaung and Hasnah Daud. Mencari Makna Hidup. PTS Islamika, 2009.

Warning: These citations may not always be 100% accurate.