@book{220993,
	author = {ISMAIL, Andar and Rika Uli Napitupulu-Simangrangkir, Laksi Wowor-Hutapea},
	title = {Selamat Berteman},
	publisher = {BPK Gunung Mulia},
	year = {2007},
	address = {Jakarta},
	edition = {1}
}