Gaya APA
Ltd, G, I, P. (2013).
GRM International Indonesia : Security plan and standard operating procedures (1).
Jakarta:
GRM International Pty Ltd.
Gaya MLA
Ltd, GRM, International, Pty.
"GRM International Indonesia : Security plan and standard operating procedures".
1
Jakarta:
GRM International Pty Ltd,
2013.
Hardcopy (Textbook).