Rendle, Alfred Barton
The classification of flowering plants
Vikas, 1979
Buku Teks
Vaught, Kay Cunningham
A classification of the living mollusca
American Malacologists, 1989
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Nursing interventions classification (NIC)
edited by Joanne M. Dochterman, Gloria M. Bulechek
Mosby, 2004
Buku Teks
Nursing interventions classification (NIC)
Mosby , 2008
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International classification of procedures in medicine
World Health Organization, 1978
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