Gaya APA

Ang, A, H, S., Tang, W, H. (1930). Probability Concepts in Engineering Planning and Design . United States of America: John Wiley & Sons.

Gaya MLA

Ang, Alfredo, H., S.., Tang, Wilson, H.. "Probability Concepts in Engineering Planning and Design". United States of America: John Wiley & Sons, 1930. Text.