Gaya APA
Lofland, J., Lofland, L, H.
(1984).
Analyzing Social Settings
(
2)
.
California:
Wadsworth Publishing Company.
Gaya MLA
Lofland, Jhon., Lofland, Lyn, H..
"Analyzing Social Settings".
2
California:
Wadsworth Publishing Company,
1984.
Texts.