APA (7th ed.) Citation

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 (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.