1. Jacobsen, J. 2020Beer Report: Hard Cider Market Looks to Rebound After Single-Digit Decline. March 11, 2020. https://www.bevindustry.com/articles/92845-2020-beer-report-hard-cider-market-looks-to-rebound-after-single-digit-decline.
2. Jacobsen, J. 2021Beer Report: Local Level Lifts Hard Cider Market. March 7, 2021. https://www.bevindustry.com/articles/93906-beer-report-local-level-lifts-hard-cider-market.
3. Moulton, G. A.; Miles, C. A.; King, J.; Zimmerman, A.Hard Cider Production & Orchard Management in the Pacific Northwest.Washington State University, Oregon State University, University of Idaho, Mount Vernon. 2010. P N W 6 2 1 https://cesonoma.ucanr.edu/files/209991.pdf.