Gaya APA
7 Langkah menuju sukses : Students' steeps to success. (1999).
Solo:
PT. Shuang Hor indonesia.
Gaya Chicago
7 Langkah menuju sukses : Students' steeps to success.
.
Solo:
PT. Shuang Hor indonesia,
1999.
FIKSI.
Gaya MLA
7 Langkah menuju sukses : Students' steeps to success.
.
Solo:
PT. Shuang Hor indonesia,
1999.
FIKSI.
Gaya Turabian
7 Langkah menuju sukses : Students' steeps to success.
Solo:
PT. Shuang Hor indonesia,
1999.
FIKSI.