Newman, Edward I.
Blackwell Science, 1993
Buku Teks
Henry W. Art, general editor ; foreword by F. Herbert Bormann ; contributing editors, Daniel Botkin [and others]
Henry Holt, 1993
Buku Referensi
Botkin, Daniel B.
John Wiley & Sons, 1995
Buku Teks
Botkin, Daniel B.
John Wiley & Sons, 2000
Buku Teks
Botkin, Daniel B.
John Wiley & Sons, 2003
Buku Teks