Gaya APA
Sigit,Soehardi, .
(2007).
analisa break Even : Yogyakarta / 2007/Sigit,Soehardi
(
^a3 ^bJilid1)
.
BPFE:
Yogyakarta.
Gaya MLA
Sigit,Soehardi, .
"analisa break Even : Yogyakarta / 2007/Sigit,Soehardi".
^a3 ^bJilid1
BPFE:
Yogyakarta,
2007.
.