APA引文

RATNA SAGAR. (2013). COLLINS GRAMMAR IN ACTION - 3. RATNA SAGAR.

Chicago Style (17th ed.) Citation

RATNA SAGAR. COLLINS GRAMMAR IN ACTION - 3. RATNA SAGAR, 2013.

MLA引文

RATNA SAGAR. COLLINS GRAMMAR IN ACTION - 3. RATNA SAGAR, 2013.

警告：這些引文格式不一定是100％准確.