APA-ийн эшлэл(7 дахь хэвлэлт)

(1963). Surface water resources of Iowa: October 1, 1955, to September 30, 1960 / by Richard E. Myers ; prepared under the direction of V.R. Bennion (Water Resources Division, Geological Survey, United States Department of Interior).

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Surface Water Resources of Iowa: October 1, 1955, to September 30, 1960 / by Richard E. Myers ; Prepared Under the Direction of V.R. Bennion (Water Resources Division, Geological Survey, United States Department of Interior). 1963.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Surface Water Resources of Iowa: October 1, 1955, to September 30, 1960 / by Richard E. Myers ; Prepared Under the Direction of V.R. Bennion (Water Resources Division, Geological Survey, United States Department of Interior). 1963.

Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.