APA

Nijssen G. M., Nijssen G. M., Halpin T. & Halpin T. (1989). Conceptual schema and relational database design. New York, NY [u.a.]: Prentice Hall.

Chicago

Nijssen Gerardus M, Nijssen Gerardus Maria, Halpin Terry and Halpin Terry. 1989. Conceptual schema and relational database design. New York, NY [u.a.]: Prentice Hall.

Harvard

Nijssen G. M., Nijssen G. M., Halpin T. and Halpin T. (1989). Conceptual schema and relational database design. New York, NY [u.a.]: Prentice Hall.

MLA

Nijssen Gerardus M, Nijssen Gerardus Maria, Halpin Terry and Halpin Terry. Conceptual schema and relational database design. New York, NY [u.a.]: Prentice Hall. 1989.