沃莉 & 辛金. (2009). 育儿书: Simple guide to having a baby. 青岛出版社.
Citación estilo Chicago沃莉 and 辛金. 育儿书: Simple Guide to Having a Baby. 青岛出版社, 2009.
Cita MLA沃莉 and 辛金. 育儿书: Simple Guide to Having a Baby. 青岛出版社, 2009.
警告：这些引文格式不一定是100％准确.
Cita APA