(1977). Patents Act 1977. Chapter 37. HMSO.
Chicago Style aipamenaPatents Act 1977. Chapter 37. London: HMSO, 1977.
MLA aipamenaPatents Act 1977. Chapter 37. HMSO, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(1977). Patents Act 1977. Chapter 37. HMSO.
Chicago Style aipamenaPatents Act 1977. Chapter 37. London: HMSO, 1977.
MLA aipamenaPatents Act 1977. Chapter 37. HMSO, 1977.