APA aipamena

DAVID ALLAN LAW. (1920). HEAT ENGINES. LONG MAN GROUP.

Chicago Style aipamena

DAVID ALLAN LAW. HEAT ENGINES. LONDON: LONG MAN GROUP, 1920.

MLA aipamena

DAVID ALLAN LAW. HEAT ENGINES. LONG MAN GROUP, 1920.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.