Παραπομπή APA

Phạm Văn Đức 1941-2007, & Trần Tuấn Phong 1942-. (2017). Vietnam philosophical thought issues of the past and modern age. H: Đại học sư phạm.

Παραπομπή Chicago Style

Phạm Văn Đức 1941-2007, και Trần Tuấn Phong 1942-. Vietnam Philosophical Thought Issues of the Past and Modern Age. H: Đại học sư phạm, 2017.

Παραπομπή MLA

Phạm Văn Đức 1941-2007, και Trần Tuấn Phong 1942-. Vietnam Philosophical Thought Issues of the Past and Modern Age. H: Đại học sư phạm, 2017.

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