Cita APA (7th ed.)
Nussbaum, R., & Schek, H. (1978). Automatic Error Detection in natural language words. IBM Deutschland.
Cita Chicago (17th ed.)
Nussbaum, R., i Hans-Jörg Schek. Automatic Error Detection in Natural Language Words. Heidelberg: IBM Deutschland, 1978.
Cita MLA (9th ed.)
Nussbaum, R., i Hans-Jörg Schek. Automatic Error Detection in Natural Language Words. IBM Deutschland, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.