Gaya APA
Sigit, Soehardi. (1979).
Analisa Break - Even (Ed. 1 Rev).
Yogyakarta:
PAAP.
Gaya Chicago
Sigit, Soehardi.
Analisa Break - Even.
Ed. 1 Rev
Yogyakarta:
PAAP,
1979.
Text.
Gaya MLA
Sigit, Soehardi.
Analisa Break - Even.
Ed. 1 Rev
Yogyakarta:
PAAP,
1979.
Text.
Gaya Turabian
Sigit, Soehardi.
Analisa Break - Even.
Ed. 1 Rev
Yogyakarta:
PAAP,
1979.
Print.