APA aipamena

BURNFORD , H. (1995). QUESTIONS AND ANSWERS INVENTIONS. BLUE BANANA BOOKS LTD.

Chicago Style aipamena

BURNFORD , HELEN. QUESTIONS AND ANSWERS INVENTIONS. CHINA: BLUE BANANA BOOKS LTD, 1995.

MLA aipamena

BURNFORD , HELEN. QUESTIONS AND ANSWERS INVENTIONS. BLUE BANANA BOOKS LTD, 1995.