APA (7th ed.) Citation

Dempsey,Michael W. (1991). Dunia: Sains. Penerbitan pelangi sdn.bhd..

Chicago Style (17th ed.) Citation

Dempsey,Michael W. Dunia: Sains. Johor Bahru: Penerbitan pelangi sdn.bhd., 1991.

MLA (9th ed.) Citation

Dempsey,Michael W. Dunia: Sains. Penerbitan pelangi sdn.bhd., 1991.

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