Lua APA (7ú heag.)
Duggal, A. K., & Puri, V. P. (1991). Laboratory manual in highway engineering. New Age International.
Lua i Stíl Chicago (17ú heag.)
Duggal, Ajay K., agus Vijay P. Puri. Laboratory Manual in Highway Engineering. Kolkata: New Age International, 1991.
Lua MLA (9ú heag.)
Duggal, Ajay K., agus Vijay P. Puri. Laboratory Manual in Highway Engineering. New Age International, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.