Barr, R. (1995). Cities. Lucent.
Chicago Style (17th ed.) CitationBarr, Roger. Cities. San Diego: Lucent, 1995.
MLA (9th ed.) CitationBarr, Roger. Cities. Lucent, 1995.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
Barr, R. (1995). Cities. Lucent.
Chicago Style (17th ed.) CitationBarr, Roger. Cities. San Diego: Lucent, 1995.
MLA (9th ed.) CitationBarr, Roger. Cities. Lucent, 1995.