Illick, J. S., & Aughanbaugh, J. E. (1930). Pitch pine in Pennsylvania. Dept. of Forests and Waters.
Citace podle Chicago (17th ed.)Illick, Joseph S., a John E. Aughanbaugh. Pitch Pine in Pennsylvania. Harrisburg, Pa.: Dept. of Forests and Waters, 1930.
Citace podle MLA (8th ed.)Illick, Joseph S., a John E. Aughanbaugh. Pitch Pine in Pennsylvania. Dept. of Forests and Waters, 1930.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..