Gaya APA
ROY, AE, CLARKE, D. (2003).
Astronomy: Principles and Practice (4th.ed.).
London:
Institute of Physics.
Gaya Chicago
ROY, AE, CLARKE, D.
Astronomy: Principles and Practice.
4th.ed.
London:
Institute of Physics,
2003.
.
Gaya MLA
ROY, AE, CLARKE, D.
Astronomy: Principles and Practice.
4th.ed.
London:
Institute of Physics,
2003.
.
Gaya Turabian
ROY, AE, CLARKE, D.
Astronomy: Principles and Practice.
4th.ed.
London:
Institute of Physics,
2003.
.