Gaya APA
Helfert, Erich A.. (1967).
Techniques of financial analysis .
America:
Richard D. Irwin Inc .
Gaya Chicago
Helfert, Erich A..
Techniques of financial analysis.
America:
Richard D. Irwin Inc ,
1967.
Text.
Gaya MLA
Helfert, Erich A..
Techniques of financial analysis.
America:
Richard D. Irwin Inc ,
1967.
Text.
Gaya Turabian
Helfert, Erich A..
Techniques of financial analysis.
America:
Richard D. Irwin Inc ,
1967.
Print.