Kopp, Peter A.. "2. Valley of the Willamette".
Hoptopia: A World of Agriculture and Beer in Oregon's Willamette Valley, Berkeley: University of California Press, 2016, pp. 19-33.
https://doi.org/10.1525/9780520965058-004Kopp, P. (2016). 2. Valley of the Willamette. In
Hoptopia: A World of Agriculture and Beer in Oregon's Willamette Valley (pp. 19-33). Berkeley: University of California Press.
https://doi.org/10.1525/9780520965058-004Kopp, P. 2016. 2. Valley of the Willamette.
Hoptopia: A World of Agriculture and Beer in Oregon's Willamette Valley. Berkeley: University of California Press, pp. 19-33.
https://doi.org/10.1525/9780520965058-004Kopp, Peter A.. "2. Valley of the Willamette" In
Hoptopia: A World of Agriculture and Beer in Oregon's Willamette Valley, 19-33. Berkeley: University of California Press, 2016.
https://doi.org/10.1525/9780520965058-004Kopp P. 2. Valley of the Willamette. In:
Hoptopia: A World of Agriculture and Beer in Oregon's Willamette Valley. Berkeley: University of California Press; 2016. p.19-33.
https://doi.org/10.1525/9780520965058-004