APA

L. M. WALSH, .INSTRUMENTAL METHODS FOR ANALYSIS OF SOILS AND PLANT TISSUS. : .

Chicago

L. M. WALSH, .INSTRUMENTAL METHODS FOR ANALYSIS OF SOILS AND PLANT TISSUS. : .

Harvard

L. M. WALSH, .INSTRUMENTAL METHODS FOR ANALYSIS OF SOILS AND PLANT TISSUS. : .

MLA

L. M. WALSH, .: . .