APA (7th ed.) Citation

Yap Thoo Chai, Mah Chai, & Mohd. Said Saad. (1990). Pembiakan tumbuhan. DBP.

Chicago Style (17th ed.) Citation

Yap Thoo Chai, Mah Chai, and Mohd. Said Saad. Pembiakan Tumbuhan. K.L: DBP, 1990.

MLA (8th ed.) Citation

Yap Thoo Chai, et al. Pembiakan Tumbuhan. DBP, 1990.