Citazione Stile APA (7a Edizione)

SINGH, G. (1978). Highway engineering (for degree, diploma, and A.M.I.E.and field engineers). Standard publishers.

Citazione stile Chigago Style (17a edizione)

SINGH, Gurcharn. Highway Engineering (for Degree, Diploma, and A.M.I.E.and Field Engineers). New Delhi: Standard publishers, 1978.

Citatione MLA (9a ed.)

SINGH, Gurcharn. Highway Engineering (for Degree, Diploma, and A.M.I.E.and Field Engineers). Standard publishers, 1978.