Gaya APA

Swanson, C, P., Horst, P. (NULL). Factor analysis of data matries . New: New York: Holt, Rinehart and Winston; 1965.

Gaya MLA

Swanson, Carl, P.., Horst, Paul. "Factor analysis of data matries". New: New York: Holt, Rinehart and Winston; 1965, NULL. Text.