Gaya APA
Djalal, Zaidir. (1994).
DR.F.L.TOBING .
Jakarta Pusat:
Mutiara Sumber Widya.
Gaya Chicago
Djalal, Zaidir.
DR.F.L.TOBING.
Jakarta Pusat:
Mutiara Sumber Widya,
1994.
Text.
Gaya MLA
Djalal, Zaidir.
DR.F.L.TOBING.
Jakarta Pusat:
Mutiara Sumber Widya,
1994.
Text.
Gaya Turabian
Djalal, Zaidir.
DR.F.L.TOBING.
Jakarta Pusat:
Mutiara Sumber Widya,
1994.
Print.