APA Style

Secretary, O, O, H, M, P, P. (1982). Illustrated Handbook of Projects Undertaken Through Royal Initiative / Office of His Majesty's Principal Private Secretary (1). Bangkok: Office of His Majesty\'s Principal Private Secretary.

MLA Style

Secretary, Office, Of, His, Majesty's, Principal, Private. "Illustrated Handbook of Projects Undertaken Through Royal Initiative / Office of His Majesty's Principal Private Secretary". 1 Bangkok: Office of His Majesty\'s Principal Private Secretary, 1982. Textbook ห้องสมุดทั่วไป.