Gaya APA

Somantri, G, R., Lauder, A, F. (2011). COLLECTED SPEECHES VOLUME 1 . : GUMILAR R SOMANTRI.

Gaya MLA

Somantri, Gumilar, R.., Lauder, Allan, F.. "COLLECTED SPEECHES VOLUME 1". : GUMILAR R SOMANTRI, 2011. Text.