Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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