APA Style
ed.Osman, Tony. (1980).
New encyclopedia of science volume 15 (Tertiary- Watch ). .
London:
Usaha Nasional.
Chicago Style
ed.Osman, Tony.
New encyclopedia of science volume 15 (Tertiary- Watch )..
London:
Usaha Nasional,
1980.
Referensi.
MLA Style
ed.Osman, Tony.
New encyclopedia of science volume 15 (Tertiary- Watch )..
London:
Usaha Nasional,
1980.
Referensi.
Turabian Style
ed.Osman, Tony.
New encyclopedia of science volume 15 (Tertiary- Watch )..
London:
Usaha Nasional,
1980.
Referensi.