APA

Selltiz C., . (1965). Research methods in social relations. USA: Holt, Rinehart and Winston.

Chicago

Selltiz Claire, . 1965. Research methods in social relations. USA: Holt, Rinehart and Winston.

Harvard

Selltiz C., . (1965). Research methods in social relations. USA: Holt, Rinehart and Winston.

MLA

Selltiz Claire, . Research methods in social relations. USA: Holt, Rinehart and Winston. 1965.