Day, A. Grove (Arthur Grove), 1904-1994
Robert D. FitzGerald
Twayne, 1974
Buku Teks
The state and economic development : lessons from the Far East / edited by Robert Fitzgerald
Portland, Or. : F. Cass, 1995
Buku Teks
Robert, D.S.
Islam concise introduction / D. S . Robert
Harper & Row, 1981
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Chellis, Robert D
Pile foundation/Robert D. Chellis
McGraw-Hill Company, 1961
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Intonational phonology / D. Robert Ladd
Cambridge University Press, 2008
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