Gaya APA
Canadian Z. Panjaitan, MA. (1998).
Tetap Bugar sampai Tua .
Jakarta:
Indonesia Publishing House.
Gaya Chicago
Canadian Z. Panjaitan, MA.
Tetap Bugar sampai Tua.
Jakarta:
Indonesia Publishing House,
1998.
.
Gaya MLA
Canadian Z. Panjaitan, MA.
Tetap Bugar sampai Tua.
Jakarta:
Indonesia Publishing House,
1998.
.
Gaya Turabian
Canadian Z. Panjaitan, MA.
Tetap Bugar sampai Tua.
Jakarta:
Indonesia Publishing House,
1998.
.