Williams, f. (2003). Babycare: Pedoman merawat bayi. Erlangga.
Chicago Style (17th ed.) CitationWilliams, frances. Babycare: Pedoman Merawat Bayi. Erlangga, 2003.
MLA引文Williams, frances. Babycare: Pedoman Merawat Bayi. Erlangga, 2003.
警告：這些引文格式不一定是100％准確.