APA (7th ed.) Citation

Phong, N. T. T., & Phuoc, N. T. (2013). Natural frequencies and critical loads of functionally graded single span beams resting on winkler’s elastic foundation. HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE.

Chicago Style (17th ed.) Citation

Phong, Nguyen The Truong, and Nguyen Trong Phuoc. Natural Frequencies and Critical Loads of Functionally Graded Single Span Beams Resting on Winkler’s Elastic Foundation. HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE, 2013.

MLA (8th ed.) Citation

Phong, Nguyen The Truong, and Nguyen Trong Phuoc. Natural Frequencies and Critical Loads of Functionally Graded Single Span Beams Resting on Winkler’s Elastic Foundation. HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE, 2013.

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