APA (7th ed.) Zitazioa
Reader's Digest. Scenic Wonders of America. Reader's Digest.
Chicago Style (17th ed.) Zitazioa
Reader's Digest. Scenic Wonders of America. Pensilvania, EUA: Reader's Digest.
MLA (9th ed.) Zitazioa
Reader's Digest. Scenic Wonders of America. Reader's Digest.
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