(1966). Lund Humphries desk book (4a. ed.). Percy Lund Humphries.
Chicago Style (17th ed.) ZitazioaLund Humphries Desk Book. 4a. ed. Londres: Percy Lund Humphries, 1966.
MLA (9th ed.) ZitazioaLund Humphries Desk Book. 4a. ed. Percy Lund Humphries, 1966.
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