APA (7th ed.) Citation

Siti Zawiyah Zakaria. (1998). Sains perkhidmatan. Booktrade Ent.

Chicago Style (17th ed.) Citation

Siti Zawiyah Zakaria. Sains Perkhidmatan. Petaling Jaya: Booktrade Ent, 1998.

MLA (8th ed.) Citation

Siti Zawiyah Zakaria. Sains Perkhidmatan. Booktrade Ent, 1998.

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