(ilustrator), H. S. ;. P. J. (2010). Why? lingkungan / Heo Soon-Bong; penerjemah, Irene Christin; ilustrator, Park Jong-Kwan. Elex Media Komputindo.
Chicago Style (17th ed.) Citation(ilustrator), Heo Soon-Bong ; Park Jong-Kwan. Why? Lingkungan / Heo Soon-Bong; Penerjemah, Irene Christin; Ilustrator, Park Jong-Kwan. Elex Media Komputindo, 2010.
MLA (8th ed.) Citation(ilustrator), Heo Soon-Bong ; Park Jong-Kwan. Why? Lingkungan / Heo Soon-Bong; Penerjemah, Irene Christin; Ilustrator, Park Jong-Kwan. Elex Media Komputindo, 2010.
Warning: These citations may not always be 100% accurate.