Penggayaan APA

VALACICH, Joseph S, GEORGE, Joey F., HOFFER, Jeffrey A.. (2009). Essential of systems analysis and design (4th.ed). New Jersey: Prentice Hall.

Chicago Style

VALACICH, Joseph S, GEORGE, Joey F., HOFFER, Jeffrey A.. Essential of systems analysis and design. 4th.ed New Jersey: Prentice Hall, 2009. Buku.

MLA Style

VALACICH, Joseph S, GEORGE, Joey F., HOFFER, Jeffrey A.. Essential of systems analysis and design. 4th.ed New Jersey: Prentice Hall, 2009. Buku.

Turabian Style

VALACICH, Joseph S, GEORGE, Joey F., HOFFER, Jeffrey A.. Essential of systems analysis and design. 4th.ed New Jersey: Prentice Hall, 2009. Buku.