Gaya APA

Shelby, R, L, A, P. (2001). Robert Ludlum's The Cassandra Compact : A Covert - One Novel . Great Britain: Harper Collins Publisher,.

Gaya MLA

Shelby, Robert, Ludlum, And, Philip. "Robert Ludlum's The Cassandra Compact : A Covert - One Novel". Great Britain: Harper Collins Publisher,, 2001. Text.