Gillham, Bill
Case study research methods
Continuum , 2000
 Buku Teks SO
Encyclopedia of case study research
Sage Publications, 2009
 eBooks
Stake, Robert E.
The art of case study research
Sage, 1995
 Buku Teks
Yin, Robert K.
Case study research : design and methods
Sage, 1989
 Buku Teks SO
Yin, Robert K.
Case study research : design and methods
Sage, 1994
 Buku Teks SO