Herren, Madeleine
Transcultural history: theories, methods, sources
Springer, 2012
Response of potato to pottassium fertilizer sources and application methods in andisols of west Java
 Artikel Jurnal
Robinson, O.F.
The Sources of roman law: problems and methods for ancient historians / O.F. Robinson
Routledge, 1997
 Buku Teks
Grambs, Jean Dresden
Modern methods in secondary education / Jean Dresden Grambs and John C. Carr
Holt Renehart and Winston, 1979
 Buku Teks
Methods in computational physics : advances in research and applications; Volume 12 : Seismology, body waves and sources
edited by Berni Alder, Sidney Fernbach, Manuel Rotenberg
Academic Press, 1972
 Buku Teks