APA (7th ed.) Citation

<BEACHAM, D. &. W. B. Menggunakan wordperfect. Erlangga.

Chicago Style (17th ed.) Citation

<BEACHAM, Deborah & Walton Beacham>. Menggunakan Wordperfect. Erlangga.

MLA (8th ed.) Citation

<BEACHAM, Deborah & Walton Beacham>. Menggunakan Wordperfect. Erlangga.

Warning: These citations may not always be 100% accurate.