APA (7th ed.) Citation

Ghina. Charles, Jamilah Omar, & Jatkowska, A. (2015). Memungut sampah di taman. NCDRC.

Chicago Style (17th ed.) Citation

Ghina. Charles, Jamilah Omar, and Ag Jatkowska. Memungut Sampah Di Taman. Singapura: NCDRC, 2015.

MLA (9th ed.) Citation

Ghina. Charles, et al. Memungut Sampah Di Taman. NCDRC, 2015.