HEATON, J. (1973). Reading With Understanding Intermediate Book I J.b. Heaton And K. Methold. Kanisius.
Čikaški stil citiranja (17. izdanje)HEATON, J.E. Reading With Understanding Intermediate Book I J.b. Heaton And K. Methold. Kanisius, 1973.
MLA način citiranja (8. izdanje)HEATON, J.E. Reading With Understanding Intermediate Book I J.b. Heaton And K. Methold. Kanisius, 1973.
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