APA (7th ed.) Zitazioa
Barclay, W. (1973). The plain man's guide to ethics.: Thoughts on the ten commandments. Collins Fontanna Books.
Chicago Style (17th ed.) Zitazioa
Barclay, William. The Plain Man's Guide to Ethics.: Thoughts on the Ten Commandments. Collins Fontanna Books, 1973.
MLA (9th ed.) Zitazioa
Barclay, William. The Plain Man's Guide to Ethics.: Thoughts on the Ten Commandments. Collins Fontanna Books, 1973.
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