@book{4256,
	author = {Orkin, Michael. and Drogin, Richard.},
	title = {Ilmu statistik vital},
	publisher = {Universiti Sains Malaysia},
	year = {1980},
	address = {Pulau Pinang},
	note = {Terjemahan dari buku Inggeris berjudul Vital Statistic oleh Michael Orkin dan Richard Drogin, 1975}
}