APA-čujuhus (7. p.)
Duggal, S. (2018). Building materials (4th ed.). New Age International.
Chicago-čujuhus (17. p.)
Duggal, S.K. Building Materials. 4th ed. Kolkata: New Age International, 2018.
MLA-čujuhus (9. p.)
Duggal, S.K. Building Materials. 4th ed. New Age International, 2018.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.