Παραπομπή APA

Krupskaya, N. K. (1985). On labour-oriented education and instruction. Moscow: Progress Publishers.

Παραπομπή Chicago Style

Krupskaya, Nadezhda Konstantinovna. On Labour-oriented Education and Instruction. Moscow: Progress Publishers, 1985.

Παραπομπή MLA

Krupskaya, Nadezhda Konstantinovna. On Labour-oriented Education and Instruction. Moscow: Progress Publishers, 1985.

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