Friend, G. (2004). Guide to business planning. Profile.
Chicagoスタイル(17版)引用形式Friend, Graham. Guide to Business Planning. London: Profile, 2004.
MLA(9版)引用形式Friend, Graham. Guide to Business Planning. Profile, 2004.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式