Gaya APA

Strachan, T, M, C, C, B, A, D. (1996). Data Base Systems . USA: Addison-Wesley Publishing Company, usa.

Gaya MLA

Strachan, Thomas, M., Connoly,, Carolyn, Begg,, Anne, D.. "Data Base Systems". USA: Addison-Wesley Publishing Company, usa, 1996. Text.