APA Style
ed.Murray, Wallace S. (1975).
Encyclopedia Americana volume 21 ( Orley to Photographic Telescope ). .
Indonesia:
Erlanga Jakarta 1985.
Chicago Style
ed.Murray, Wallace S.
Encyclopedia Americana volume 21 ( Orley to Photographic Telescope )..
Indonesia:
Erlanga Jakarta 1985,
1975.
Referensi.
MLA Style
ed.Murray, Wallace S.
Encyclopedia Americana volume 21 ( Orley to Photographic Telescope )..
Indonesia:
Erlanga Jakarta 1985,
1975.
Referensi.
Turabian Style
ed.Murray, Wallace S.
Encyclopedia Americana volume 21 ( Orley to Photographic Telescope )..
Indonesia:
Erlanga Jakarta 1985,
1975.
Referensi.