APA引文

Collins. (2011). CollinsEasy Learning Spanish Grammar. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Collins. CollinsEasy Learning Spanish Grammar. Great Britain: HarperCollins Publishers, 2011.

MLA引文

Collins. CollinsEasy Learning Spanish Grammar. HarperCollins Publishers, 2011.

警告：這些引文格式不一定是100％准確.