Ringgenberg, J. D. : Control software for mechanical systems : object-oriented design in a real-time world / D.M. Auslander, J.R. Ridgely, J.D. Ringgenberg. [O'Reilly electronic resource]
Ringier Axel Springer Polska, / Wydawca. Publisher. : #Nie bałam się o tym rozmawiać : historie bez retuszu / Joanna Przetakiewicz i bohaterki Ery Nowych Kobiet ; konsultacja psychologiczna, komentarze i podsumowanie eksperckie Marta Niedźwiecka.
Ringling Brothers Barnum and Bailey Combined Shows. : The greatest show on Earth [(DVD) videorecording] / a Paramount picture ; screenplay by Fredric M. Frank, Barré Lyndon, Theodore St. John ; story by Fredric M. Frank, Theodore St. John, Frank Cavett ; produced and directed by Cecil B. DeMille.
Ringtved, Glenn, 1968- / author. : Cry, heart, but never break / Glenn Ringtved ; illustrations by Charlotte Pardi ; translated from the Danish by Robert Moulthrop.