APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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