Duggal, A. K., & Puri, P. V. (1991). Laboratory Manual in Highway Engineering. Wiley Eastern.
シカゴスタイル引用形Duggal, Ajay K., , P. Vijay Puri. Laboratory Manual in Highway Engineering. New Delhi: Wiley Eastern, 1991.
MLA引用形式Duggal, Ajay K., , P. Vijay Puri. Laboratory Manual in Highway Engineering. Wiley Eastern, 1991.
警告: この引用は必ずしも正確ではありません.