Quetico-Superior Wilderness Research Center & Lakela, O. (1962). Revised check-list of ferns and flowering plants of the Quetico-Superior Wilderness Research Center. the Center.
Lua i Stíl Chicago (17ú heag.)Quetico-Superior Wilderness Research Center agus Olga Lakela. Revised Check-list of Ferns and Flowering Plants of the Quetico-Superior Wilderness Research Center. Ely, Minn.: the Center, 1962.
Lua MLA (8ú heag.)Quetico-Superior Wilderness Research Center agus Olga Lakela. Revised Check-list of Ferns and Flowering Plants of the Quetico-Superior Wilderness Research Center. the Center, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.