Gaya APA
Spradley, James P.. (1980).
Participant Observation .
U.S.A:
Holt. Rinehart and Winston.
Gaya Chicago
Spradley, James P..
Participant Observation.
U.S.A:
Holt. Rinehart and Winston,
1980.
Text.
Gaya MLA
Spradley, James P..
Participant Observation.
U.S.A:
Holt. Rinehart and Winston,
1980.
Text.
Gaya Turabian
Spradley, James P..
Participant Observation.
U.S.A:
Holt. Rinehart and Winston,
1980.
Print.