Leyland, W. (1986). Hard: Edited by Winston Leyland (1st edition.). G. S..
Čikaški stil citiranja (17. izdanje)Leyland, Winston. Hard: Edited by Winston Leyland. 1st edition. San Francisco, Calif.: G. S., 1986.
MLA način citiranja (8. izdanje)Leyland, Winston. Hard: Edited by Winston Leyland. 1st edition. G. S., 1986.
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