Pet, Paul C.
Holland
Elmar, 1994
 Buku Referensi
Sapienza, Alice M.
Managing scientists / Alice M. Sapienza
Wiley, 2004
 Buku Teks SO
Harrison, Molly
Picture source book for social history: seventeenth century / by Molly Harrison and A.A. M. Wells
George Allen and Unwin, 1953
 Buku Teks SO
Harrison`s rheumatology
edited by Anthony S. Fauci, Carol A. Langford
McGraw-Hill, 2017
 Buku Teks SO
Harrison's endocrinology
editor, J. Larry Jameson
McGraw-Hill, 2017
 Buku Teks SO