Gaya APA
Egan, Gerard. (1982).
The Skilled helper : model skills and methods for effective helping (2nd ed).
California:
Cole.
Gaya Chicago
Egan, Gerard.
The Skilled helper : model skills and methods for effective helping.
2nd ed
California:
Cole,
1982.
Text.
Gaya MLA
Egan, Gerard.
The Skilled helper : model skills and methods for effective helping.
2nd ed
California:
Cole,
1982.
Text.
Gaya Turabian
Egan, Gerard.
The Skilled helper : model skills and methods for effective helping.
2nd ed
California:
Cole,
1982.
Print.