ARYA,CANADA. (1989). HD BK OF BUSINESS LETTERS. KIRAN BOOK.
芝加哥风格引文ARYA,CANADA. HD BK OF BUSINESS LETTERS. KIRAN BOOK, 1989.
MLA引文ARYA,CANADA. HD BK OF BUSINESS LETTERS. KIRAN BOOK, 1989.
警告：这些引文格式不一定是100％准确.
APA引文
ARYA,CANADA. (1989). HD BK OF BUSINESS LETTERS. KIRAN BOOK.
芝加哥风格引文ARYA,CANADA. HD BK OF BUSINESS LETTERS. KIRAN BOOK, 1989.
MLA引文ARYA,CANADA. HD BK OF BUSINESS LETTERS. KIRAN BOOK, 1989.