Thacker, D., & Bonser Design. (2010). Spirit, harmony & challenge: 18 great walks created by Robert Trent Jones Jr. Golf's Great Walks.
Chicago Style (17th ed.) CitationThacker, Derek, and Bonser Design. Spirit, Harmony & Challenge: 18 Great Walks Created by Robert Trent Jones Jr. Subiaco, Western Australia: Golf's Great Walks, 2010.
MLA (9th ed.) CitationThacker, Derek, and Bonser Design. Spirit, Harmony & Challenge: 18 Great Walks Created by Robert Trent Jones Jr. Golf's Great Walks, 2010.
Warning: These citations may not always be 100% accurate.