Lua APA (7ú heag.)

Roth, G. (1962). The system of minor planets. Van Nostrand.

Lua i Stíl Chicago (17ú heag.)

Roth, G.D. The System of Minor Planets. Princeton, New Jersey: Van Nostrand, 1962.

Lua MLA (9ú heag.)

Roth, G.D. The System of Minor Planets. Van Nostrand, 1962.

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