APA (7th ed.) Citation

Marpaung. Setengah berisi, setengah kosong? PTS Millennia.

Chicago Style (17th ed.) Citation

Marpaung. Setengah Berisi, Setengah Kosong? Kuala Lumpur: PTS Millennia.

MLA (8th ed.) Citation

Marpaung. Setengah Berisi, Setengah Kosong? PTS Millennia.

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