Science World (Teacher's Edition). Scholastic Incorporated.
芝加哥风格引文Science World (Teacher's Edition). Scholastic Incorporated.
MLA引文Science World (Teacher's Edition). Scholastic Incorporated.
警告：这些引文格式不一定是100％准确.
APA引文
Science World (Teacher's Edition). Scholastic Incorporated.
芝加哥风格引文Science World (Teacher's Edition). Scholastic Incorporated.
MLA引文Science World (Teacher's Edition). Scholastic Incorporated.