APA (7th ed.) Citation
(1987). GER: Gran enciclopedia Rialp (4a. ed. rev.). Rialp.
Chicago Style (17th ed.) Citation
GER: Gran Enciclopedia Rialp. 4a. ed. rev. Madrid: Rialp, 1987.
MLA (9th ed.) Citation
GER: Gran Enciclopedia Rialp. 4a. ed. rev. Rialp, 1987.
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