APA aipamena

BURNFORD , H. (1995). QUESTIONS AND ANSWERS EXPLORERS.

Chicago Style aipamena

BURNFORD , HELEN. QUESTIONS AND ANSWERS EXPLORERS. 1995.

MLA aipamena

BURNFORD , HELEN. QUESTIONS AND ANSWERS EXPLORERS. 1995.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.