Gaya APA

Hanna, Paul. (2002). BELIEVE AND ACHIEVE! . Jakarta.: erlangga.

Gaya Chicago

Hanna, Paul. BELIEVE AND ACHIEVE!. Jakarta.: erlangga, 2002. MPK.

Gaya MLA

Hanna, Paul. BELIEVE AND ACHIEVE!. Jakarta.: erlangga, 2002. MPK.

Gaya Turabian

Hanna, Paul. BELIEVE AND ACHIEVE!. Jakarta.: erlangga, 2002. MPK.