APA Style

Voehl, F. et al (1995). ISO 9000; An Implementation Guide For Small To Mid-Sized Businesses . Singapore: S.S. Mubaruk & Brothers Pte Ltd.,.

MLA Style

Voehl, Frank. et al. "ISO 9000; An Implementation Guide For Small To Mid-Sized Businesses". Singapore: S.S. Mubaruk & Brothers Pte Ltd.,, 1995. Text.