Gaya APA
Psychology and life. (1977).
Dallas:
Scott Foresman and Company.
Gaya Chicago
Psychology and life.
Ed.9.
Dallas:
Scott Foresman and Company,
1977.
.
Gaya MLA
Psychology and life.
Ed.9.
Dallas:
Scott Foresman and Company,
1977.
.
Gaya Turabian
Psychology and life.
Dallas:
Scott Foresman and Company,
1977.
.