APA引文

STEWART DAVID. (1990). FOCUS GROUPS. SAGE PUBLICATIONS.

Chicago Style (17th ed.) Citation

STEWART DAVID. FOCUS GROUPS. NEWBURY PARK: SAGE PUBLICATIONS, 1990.

MLA引文

STEWART DAVID. FOCUS GROUPS. SAGE PUBLICATIONS, 1990.

警告：這些引文格式不一定是100％准確.