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Buku Referensi
Guide to libraries in Western Europe : national, international, and government libraries / edited by Peter Dale
British Library, 1994
Buku Referensi
Crisp, L. F. (Leslie Finlay)
Australian national government
Longman Chesire, 1965
Buku Teks
Guide to the National Museum of Ethnology
the National Museum of Ethnology, 1991
Buku Referensi
Harman, Thomas L.
Guide to the national electrical code
Prentice-Hall, 1981
Buku Referensi