@book{59051,
	author = {Nasution, M. Yunan.},
	title = {Ilmu bergaul /},
	publisher = {Bulan Bintang,},
	year = {1963.},
	series = {Hidangan rohani dan budi pekerti ;},
	address = {Djakarta :},
	edition = {Tjet. 4.}
}