APA (7th ed.) Citation

Parlindungan Marpaung & Hasnah Daud. (2012). Mencari makna hidup. PTS Millennia Sdn. Bhd.

Chicago Style (17th ed.) Citation

Parlindungan Marpaung and Hasnah Daud. Mencari Makna Hidup. Selangor: PTS Millennia Sdn. Bhd, 2012.

MLA (8th ed.) Citation

Parlindungan Marpaung and Hasnah Daud. Mencari Makna Hidup. PTS Millennia Sdn. Bhd, 2012.

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