Gaya APA
Fletcher, Ronald. (1981).
Sociology : The Study of Social Systems (2).
Australia:
Charles Scribner\'s Sons.
Gaya Chicago
Fletcher, Ronald.
Sociology : The Study of Social Systems.
2
Australia:
Charles Scribner\'s Sons,
1981.
Text.
Gaya MLA
Fletcher, Ronald.
Sociology : The Study of Social Systems.
2
Australia:
Charles Scribner\'s Sons,
1981.
Text.
Gaya Turabian
Fletcher, Ronald.
Sociology : The Study of Social Systems.
2
Australia:
Charles Scribner\'s Sons,
1981.
Print.