Gaya APA
Bertalanffy, L, V. (1968).
General System Theory : Foundations, Development, Applications (Ilmu Hukum).
100 Tan p:
Serambi Ilmu Semesta.
Gaya MLA
Bertalanffy, Ludwig, Von.
"General System Theory : Foundations, Development, Applications".
Ilmu Hukum
100 Tan p:
Serambi Ilmu Semesta,
1968.
.