Kellert, Stephen R.
London : Simon & Schuster, 1997,
Buku Referensi
General editor, Stephen R. Kellert; Associate editors, Matthew Black, Richard Haley
London : Simon & Schuster, 1997,
Buku Referensi
New York : MacMillan Library Reference USA, 1997,
Buku Referensi
New York : macmillan Library reference USA, 1997,
Buku Referensi
New York : Macmillan Library Reference, 1997,
Buku Referensi