APA引文

Permana, A. I. (2015). Contractor’s liability under unforeseen ground conditions.

Chicago Style (17th ed.) Citation

Permana, Assad Idea. Contractor’s Liability Under Unforeseen Ground Conditions. 2015.

MLA引文

Permana, Assad Idea. Contractor’s Liability Under Unforeseen Ground Conditions. 2015.

警告：这些引文格式不一定是100％准确.