Gaya APA

Langefors, U., Kihlstrom, B. (1978). The modern technique of rock blasting. (1978). : Stockholm, Awe/Gebers,.

Gaya MLA

Langefors, U.., Kihlstrom, B.. "The modern technique of rock blasting.". 1978 : Stockholm, Awe/Gebers,, 1978. Text.