Gaya APA
Torrance, E, P. (1965).
Mental Health And Achievement : Increasing Potential and Reducing School Dropout .
USA:
John Wiley and Sons.
Gaya MLA
Torrance, E., Paul.
"Mental Health And Achievement : Increasing Potential and Reducing School Dropout".
USA:
John Wiley and Sons,
1965.
Buku PSI.