Gaya APA
Tampubolon, D, P. (1977).
Verbal affixations in Indonesian: A Semantic exploration .
Washington D.C:
Georgetown University.
Gaya MLA
Tampubolon, Daulat, Purnama.
"Verbal affixations in Indonesian: A Semantic exploration".
Washington D.C:
Georgetown University,
1977.
Text.