APA引文

WILLEMS, N. (1978). Structural Analysis For Engineers. McGraw-Hill.

Chicago Style (17th ed.) Citation

WILLEMS, Nicholas. Structural Analysis For Engineers. McGraw-Hill, 1978.

MLA引文

WILLEMS, Nicholas. Structural Analysis For Engineers. McGraw-Hill, 1978.

警告：这些引文格式不一定是100％准确.