APA-ийн эшлэл(7 дахь хэвлэлт)
BERTRAM, B. (1997). THE SOCIAL TRANSFORMATION PROCESS IN EAST GERMANY, POLAND, RUSSIA AND HUNGARY. EN: FAMILIES WITH SMALL CHILDREN IN EASTERN AND WESTERN EUROPE. ASHGATE.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
BERTRAM, B. THE SOCIAL TRANSFORMATION PROCESS IN EAST GERMANY, POLAND, RUSSIA AND HUNGARY. EN: FAMILIES WITH SMALL CHILDREN IN EASTERN AND WESTERN EUROPE. ALDERSHOT: ASHGATE, 1997.
MLA -ийн эшлэл (9 дэх хэвлэлт)
BERTRAM, B. THE SOCIAL TRANSFORMATION PROCESS IN EAST GERMANY, POLAND, RUSSIA AND HUNGARY. EN: FAMILIES WITH SMALL CHILDREN IN EASTERN AND WESTERN EUROPE. ASHGATE, 1997.
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