Gaya APA
Webster, J, G., Lichty, L, W. (1991).
Rating analysis : theory and practice .
Hillsdale, N.J.:
Lawrence Erlabum.
Gaya MLA
Webster, James, G., Lichty, Lawrence, W.
"Rating analysis : theory and practice".
Hillsdale, N.J.:
Lawrence Erlabum,
1991.
Text.