-. (1969). General laboratory apparatus. Luctor.
Chicago Style aipamena-. General Laboratory Apparatus. Holland: Luctor, 1969.
MLA aipamena-. General Laboratory Apparatus. Luctor, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
-. (1969). General laboratory apparatus. Luctor.
Chicago Style aipamena-. General Laboratory Apparatus. Holland: Luctor, 1969.
MLA aipamena-. General Laboratory Apparatus. Luctor, 1969.