Penggayaan APA
TOBING, Drwin Halim. (1968).
A preliminary bibliography on fauna, flora, vegetation conservation of nature and natural resource of Sumatra .
Nature Conservation Department:
Wageningen.
Chicago Style
TOBING, Drwin Halim.
A preliminary bibliography on fauna, flora, vegetation conservation of nature and natural resource of Sumatra.
Nature Conservation Department:
Wageningen,
1968.
Buku.
MLA Style
TOBING, Drwin Halim.
A preliminary bibliography on fauna, flora, vegetation conservation of nature and natural resource of Sumatra.
Nature Conservation Department:
Wageningen,
1968.
Buku.
Turabian Style
TOBING, Drwin Halim.
A preliminary bibliography on fauna, flora, vegetation conservation of nature and natural resource of Sumatra.
Nature Conservation Department:
Wageningen,
1968.
Buku.