Bruun, P. (1981). Port engineering (Ed.3.). Gulf publishing company.
Čikaški stil citiranjaBruun, Per. Port Engineering. Ed.3. Houston: Gulf publishing company, 1981.
MLA način citiranjaBruun, Per. Port Engineering. Ed.3. Gulf publishing company, 1981.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.