Lua APA (7ú heag.)

Ehlers, E. G. (1987). Optical mineralogy: Theory and technique. Blackwell Science.

Lua i Stíl Chicago (17ú heag.)

Ehlers, E. G. Optical Mineralogy: Theory and Technique. Palo Alto, Calif: Blackwell Science, 1987.

Lua MLA (9ú heag.)

Ehlers, E. G. Optical Mineralogy: Theory and Technique. Blackwell Science, 1987.

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