Gaya APA

Yoder, E, J., Witczak, M, W. (1975). Principles of Pavement Design second edition (Second Edition). Canada: John Wiley & Sons.

Gaya MLA

Yoder, E., J.., Witczak, M., W.. "Principles of Pavement Design second edition". Second Edition Canada: John Wiley & Sons, 1975. Text.