Symes, R. F. (1993). Cristais e gemas. Verbo.
Chicago Style (17th ed.) CitationSymes, R. F. Cristais E Gemas. Verbo, 1993.
MLA (8th ed.) CitationSymes, R. F. Cristais E Gemas. Verbo, 1993.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation