APA引文

Hardwick,Philip, & Khan,Bahadur. (1982). An introduction to modern economics (4.). ELBS with Longman.

Chicago Edition Citation

Hardwick,Philip, and Khan,Bahadur. An Introduction to Modern Economics. 4. England: ELBS with Longman, 1982.

MLA引文

Hardwick,Philip, and Khan,Bahadur. An Introduction to Modern Economics. 4. ELBS with Longman, 1982.

警告：這些引文格式不一定是100％准確.