LOPES, M. I. (1999). Principles Underlying Subject Heading Languages (SHLs). Munchen: K. G. Saur.
Chicago Style CitationLOPES, Maria Ines. Principles Underlying Subject Heading Languages (SHLs). Munchen: K. G. Saur, 1999.
MLA CitationLOPES, Maria Ines. Principles Underlying Subject Heading Languages (SHLs). Munchen: K. G. Saur, 1999.
Warning: These citations may not always be 100% accurate.