HANNIG, W. (1988). Towards A Blue Revolution Wolfgang Hannig. Gajah Mada University Press.
Chicago Style (17th ed.) CitationHANNIG, Wolfgang. Towards A Blue Revolution Wolfgang Hannig. Gajah Mada University Press, 1988.
MLA (8th ed.) CitationHANNIG, Wolfgang. Towards A Blue Revolution Wolfgang Hannig. Gajah Mada University Press, 1988.
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