Gaya APA
Esser, S.
(1964).
De Uma-Taal (West Midden-Celebes)
.
S-Gravenhage:
Martinus Nijhoff.
Gaya MLA
Esser, S.J..
"De Uma-Taal (West Midden-Celebes)".
S-Gravenhage:
Martinus Nijhoff,
1964.
Text.