APA-ийн эшлэл(7 дахь хэвлэлт)

Bader. (1970). The Integration of The State Insurance Into The Economic System of The German Democratic Republic. The Institute of National Planning.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Bader. The Integration of The State Insurance Into The Economic System of The German Democratic Republic. Cairo: The Institute of National Planning, 1970.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Bader. The Integration of The State Insurance Into The Economic System of The German Democratic Republic. The Institute of National Planning, 1970.

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