Gaya APA

Calabrese, E., J., KNAPP, C., A., E., P., H. (1978). Methodological Approaches to Deriving Environmental and Occupational Health Standards . Toronto, USA: John Wiley and Son. Inc.

Gaya MLA

Calabrese, E., J., KNAPP, C., A., E., P., H.. Methodological Approaches to Deriving Environmental and Occupational Health Standards. Toronto, USA: John Wiley and Son. Inc, 1978. Text.