Deismireacht APA

Roy, A. E., & Clarke, D. (1977). Astronomy: Principles and practice. Adam Hilger.

Chicago Edition Citation

Roy, A E., and D. Clarke. Astronomy: Principles and Practice. Bristol: Adam Hilger, 1977.

Deismireacht MLA

Roy, A E., and D. Clarke. Astronomy: Principles and Practice. Adam Hilger, 1977.

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