Gaya APA

Schweitzer, , J, A. (1989). Managinginformation security: administraive, electronic, and legal measures to protect business information (2). United States of America: Butterworth-Heinemann.

Gaya MLA

Schweitzer, , James, A.. "Managinginformation security: administraive, electronic, and legal measures to protect business information". 2 United States of America: Butterworth-Heinemann, 1989. Text.