Dake, H. C. (1962). Northwest gem trails: A field guide for the gem hunter, mineral collector, and tourist, covering both popular and little known areas of Oregon, Washington, Idaho, British Columbia (3d ed. completely rev.). Gembooks.
Цитирование в стиле Чикаго (17-е изд.)Dake, H. C. Northwest Gem Trails: A Field Guide for the Gem Hunter, Mineral Collector, and Tourist, Covering Both Popular and Little Known Areas of Oregon, Washington, Idaho, British Columbia. 3d ed. completely rev. Mentone, Calif.: Gembooks, 1962.
Цитирование MLA (8-е изд.)Dake, H. C. Northwest Gem Trails: A Field Guide for the Gem Hunter, Mineral Collector, and Tourist, Covering Both Popular and Little Known Areas of Oregon, Washington, Idaho, British Columbia. 3d ed. completely rev. Gembooks, 1962.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.