Languages, D. o. F. (2024). Elementary German Grammar and Comprehension. Foreign Languages Obafemi Awolowo University.
Čikaški stil citiranja (17. izdanje)Languages, Department of Foreign. Elementary German Grammar and Comprehension. Foreign Languages Obafemi Awolowo University, 2024.
MLA način citiranja (9. izdanje)Languages, Department of Foreign. Elementary German Grammar and Comprehension. Foreign Languages Obafemi Awolowo University, 2024.
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