Gaya APA

Hudson, J.A.. (1975). The influence of tunnel excavation on an adjacent shaft in chalk . : TRRL.

Gaya Chicago

Hudson, J.A.. The influence of tunnel excavation on an adjacent shaft in chalk. : TRRL, 1975. Text.

Gaya MLA

Hudson, J.A.. The influence of tunnel excavation on an adjacent shaft in chalk. : TRRL, 1975. Text.

Gaya Turabian

Hudson, J.A.. The influence of tunnel excavation on an adjacent shaft in chalk. : TRRL, 1975. Print.