Kartun lingkungan / GONICK, Larry Outwater, Alice Ismunandar Hermawan, C. Sri Sutyoko text Jakarta : KPG (Kepustakaan Populer Gramedia), 2004 Judul asli : The Cartoon guide to the environment Bibliografi : hlm. 218-219 Indeks Etiologi URN:ISBN:979-91-0010-0