Centenaire Athenée Royal Spa 1850-1950.

MLA

Centenaire Athenée Royal Spa 1850-1950. s.l, 1950.

APA

(1950). Centenaire Athenée Royal Spa 1850-1950. s.l.

Chicago

Centenaire Athenée Royal Spa 1850-1950. s.l., 1950.