Gaya APA

Swanson, C, P., Allen, P, S. (1977). Beginnings of interior environment . Utah: Utah: Brigham Young University Press; 1977.

Gaya MLA

Swanson, Carl, P.., Allen, Phyllis, Sloan. "Beginnings of interior environment". Utah: Utah: Brigham Young University Press; 1977, 1977. Text.