David James Press. (1986). Map & guide to Puerto Rico & the U.S. Virgin Islands (1987 Edition.). David James Press.
Lua i Stíl Chicago (17ú heag.)David James Press. Map & Guide to Puerto Rico & the U.S. Virgin Islands. 1987 Edition. New York: David James Press, 1986.
Lua MLA (8ú heag.)David James Press. Map & Guide to Puerto Rico & the U.S. Virgin Islands. 1987 Edition. David James Press, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.