Gaya APA
Panjaitan, Canadian Z.. (1991).
TETAP BUGAR SAMPAI TUA .
Bandung:
Indonesia Publishing house.
Gaya Chicago
Panjaitan, Canadian Z..
TETAP BUGAR SAMPAI TUA.
Bandung:
Indonesia Publishing house,
1991.
Ekonomi Pertanian.
Gaya MLA
Panjaitan, Canadian Z..
TETAP BUGAR SAMPAI TUA.
Bandung:
Indonesia Publishing house,
1991.
Ekonomi Pertanian.
Gaya Turabian
Panjaitan, Canadian Z..
TETAP BUGAR SAMPAI TUA.
Bandung:
Indonesia Publishing house,
1991.
Ekonomi Pertanian.