Gaya APA
Warren, H, E. (1963).
Our democracy at work, by Harris G.Warren, Harry D.Leinenweber and Ruth O.M.Andersen. .
New Jersey:
Prentice-Hall.
Gaya MLA
Warren, H.G., Etc..
"Our democracy at work, by Harris G.Warren, Harry D.Leinenweber and Ruth O.M.Andersen. ".
New Jersey:
Prentice-Hall,
1963.
Buku.