Gaya APA
Mason, G, E., Sheldon, W, D.
(1950).
Winner's Circle 2
.
Inggris:
Allyn and Bacon,INC.
Gaya MLA
Mason, George, E.., Sheldon, William, D..
"Winner's Circle 2".
Inggris:
Allyn and Bacon,INC,
1950.
Text.