APA (7th ed.) Citation

Não informado. (1981). Systems and control letters. Elsevier Science Publishers.

Chicago Style (17th ed.) Citation

Não informado. Systems and Control Letters. Amsterdam: Elsevier Science Publishers, 1981.

MLA (8th ed.) Citation

Não informado. Systems and Control Letters. Elsevier Science Publishers, 1981.

Warning: These citations may not always be 100% accurate.