Gaya APA
Twark, A, J. et al (1973).
Security Analysis Portofolio Management A Case back (Weeding) .
America:
Holden-Day, Inc..
Gaya MLA
Twark, Allan, J. et al.
"Security Analysis Portofolio Management A Case back (Weeding)".
America:
Holden-Day, Inc.,
1973.
Text.