Berg, L. (2012). The baby signing bible: Baby sign language made easy. Avery.
芝加哥风格引文Berg, Laura. The Baby Signing Bible: Baby Sign Language Made Easy. New York: Avery, 2012.
MLA引文Berg, Laura. The Baby Signing Bible: Baby Sign Language Made Easy. Avery, 2012.
警告：这些引文格式不一定是100％准确.