Gaya APA
Gie, T, L.
(1998).
Philosophy as an element of human existence
.
Yogyakarta:
Pusat Belajar Ilmu Berguna.
Gaya MLA
Gie, The, Liang.
"Philosophy as an element of human existence".
Yogyakarta:
Pusat Belajar Ilmu Berguna,
1998.
Text.