APA aipamena

SOMERVILL, B. A. (2006). WILLIAM PENN FOUNDER OF PENNSYLVANIA. COMPASS POINT BOOKS.

Chicago Style aipamena

SOMERVILL, BARBARA. A. WILLIAM PENN FOUNDER OF PENNSYLVANIA. MINNEAPOLIS: COMPASS POINT BOOKS, 2006.

MLA aipamena

SOMERVILL, BARBARA. A. WILLIAM PENN FOUNDER OF PENNSYLVANIA. COMPASS POINT BOOKS, 2006.