Gillham, Bill
Continuum, 2000
Buku Teks SO
Magnusson, Eva
Cambridge University Press, 2015
Buku Teks SO
Magnusson, Eva
Cambridge University Press, 2015
eBooks
editors, Jaber F. Gubrium, James A. Holstein
Sage, 2002
Buku Referensi
Gillham, Bill
Open University Press, 2008
Buku Teks SO