Carpenter, H. (1980). The Lord of the rings: Souvenir booklet commemorating twenty five years of its publication. Allen & Unwin.
Chicago-viite (17. p.)Carpenter, Humphrey. The Lord of the Rings: Souvenir Booklet Commemorating Twenty Five Years of Its Publication. [London]: Allen & Unwin, 1980.
MLA-viite (8. p.)Carpenter, Humphrey. The Lord of the Rings: Souvenir Booklet Commemorating Twenty Five Years of Its Publication. Allen & Unwin, 1980.
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