Gaya APA

Hight, D.W.. (1988). Naturally occuring gravels for road construction . : Nanyang Technological Institute.

Gaya Chicago

Hight, D.W.. Naturally occuring gravels for road construction. : Nanyang Technological Institute, 1988. Computer Software.

Gaya MLA

Hight, D.W.. Naturally occuring gravels for road construction. : Nanyang Technological Institute, 1988. Computer Software.

Gaya Turabian

Hight, D.W.. Naturally occuring gravels for road construction. : Nanyang Technological Institute, 1988. Computer Software.