(1972). Who's who in science in Europe: a reference: Guide to European scientists. Francis Hodgson.
Citazione stile Chigago Style (17a edizione)Who's Who in Science in Europe: A Reference: Guide to European Scientists. Guernsey: Francis Hodgson, 1972.
Citatione MLA (9a ed.)Who's Who in Science in Europe: A Reference: Guide to European Scientists. Francis Hodgson, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.