Παραπομπή σε μορφή APA (7η εκδ.)

Trott, J. J., & Stevens, J. B. (1980). The load carrying capacity of cracked rigid pipes--a preliminary study. Transport and Road Research Laboratory, Tunnels and Underground Pipes Division.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Trott, J. J., και J. B. Stevens. The Load Carrying Capacity of Cracked Rigid Pipes--a Preliminary Study. Crowthorne, Berk: Transport and Road Research Laboratory, Tunnels and Underground Pipes Division, 1980.

Παραπομπή σε μορφή MLA (9th εκδ.)

Trott, J. J., και J. B. Stevens. The Load Carrying Capacity of Cracked Rigid Pipes--a Preliminary Study. Transport and Road Research Laboratory, Tunnels and Underground Pipes Division, 1980.