APA引文

(2004). Sign language for kids: A fun & easy guide to American Sign Language / Lora Heller.

Chicago Style (17th ed.) Citation

Sign Language for Kids: A Fun & Easy Guide to American Sign Language / Lora Heller. 2004.

MLA引文

Sign Language for Kids: A Fun & Easy Guide to American Sign Language / Lora Heller. 2004.

警告：這些引文格式不一定是100％准確.