Collier, I. L. (1985). The Estimation Of Gross Domestic Product And Its Growth Rate For The German Democratic Republic: A Backgraund Studyfor Dollar Gnp S Of The U.S.S.R. And Eastern Europe (1. Edisyon.). IBRD.
Chicago Style (17. basım) AtıfCollier, Irwin L. The Estimation Of Gross Domestic Product And Its Growth Rate For The German Democratic Republic: A Backgraund Studyfor Dollar Gnp S Of The U.S.S.R. And Eastern Europe. 1. Edisyon. Washington: IBRD, 1985.
MLA (9th ed.) AtıfCollier, Irwin L. The Estimation Of Gross Domestic Product And Its Growth Rate For The German Democratic Republic: A Backgraund Studyfor Dollar Gnp S Of The U.S.S.R. And Eastern Europe. 1. Edisyon. IBRD, 1985.
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