Encyclopedia of microbiology; Volume 1
Joshua Lederberg, editor-in-chief
Academic Press, 1992
 Buku Referensi
Encyclopedia of microbiology; Volume 2
Lederberg, Joshua, editor-in-chief
Academic Press, 1992
 Buku Referensi
Encyclopedia of microbiology; Volume 3
Lederberg, Joshua, editor-in-chief
Academic Press, 1992
 Buku Referensi
The Encyclopedia Americana : volume 4
Grolier, 1994
 Buku Referensi
Encyclopedia of bioethics : volume 4
Warren Thomas Reich, editor in chief
Simon & Schuster Macmillan, 1995
 Buku Referensi