APA aipamena

Nigel Calder. (1982). Comet is coming: The feverish legacy of mr.Halley. England.

Chicago Style aipamena

Nigel Calder. Comet Is Coming: The Feverish Legacy of Mr.Halley. England, 1982.

MLA aipamena

Nigel Calder. Comet Is Coming: The Feverish Legacy of Mr.Halley. England, 1982.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.