Carne, P., Jenkins, R., & Johnson, S. (2015). Grammar explorer. Boston: National Geographic Learning, Cengage Learning.
Trích dẫn kiểu ChicagoCarne, Paul, Rob Jenkins, và Staci Johnson. Grammar Explorer. Boston: National Geographic Learning, Cengage Learning, 2015.
MLA引文Carne, Paul, Rob Jenkins, và Staci Johnson. Grammar Explorer. Boston: National Geographic Learning, Cengage Learning, 2015.
警告:这些引文格式不一定是100%准确.