एपीए उद्धरण

American Society of civil Engineers. (1975). Committe on Pipe Line Planning Pipe Line Divition. American society of Civil Engineers.

शिकागो स्टाइल उद्धरण

American Society of civil Engineers. Committe on Pipe Line Planning Pipe Line Divition. New York: American society of Civil Engineers, 1975.

एमएलए उद्धरण

American Society of civil Engineers. Committe on Pipe Line Planning Pipe Line Divition. American society of Civil Engineers, 1975.