APA-čujuhus (7. p.)
Richmond, D. D. (1998). Practice makes perfect, Spanish pronouns and prepositions. Passport Books.
Chicago-čujuhus (17. p.)
Richmond, Dorothy Devney. Practice Makes Perfect, Spanish Pronouns and Prepositions. Lincolnwood, Ill., USA: Passport Books, 1998.
MLA-čujuhus (9. p.)
Richmond, Dorothy Devney. Practice Makes Perfect, Spanish Pronouns and Prepositions. Passport Books, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.