@book{199097,
	author = {GONICK, Larry and Andya Primanda},
	title = {Kartun Riwayat Peradaban Modern Jilid 1 : Dari Kolombus hingga Konstitusi Amerika Serikat},
	publisher = {Kepustakaan Populer Gramedia},
	year = {2007},
	address = {Jakarta}
}