APA ציטוט

Schell, E. H. Technique Of Executive Control Erwin Haskell Schell. McGraw-Hill.

Chicago Style (17th ed.) Citation

Schell, Erwin Haskell. Technique Of Executive Control Erwin Haskell Schell. McGraw-Hill.

ציטוט MLA

Schell, Erwin Haskell. Technique Of Executive Control Erwin Haskell Schell. McGraw-Hill.