(1969). 100 Great scientists. Pocket.
Tohutoru Kātū Chicago (17th ed.)100 Great Scientists. New York: Pocket, 1969.
Tohutoro MLA (9th ed.)100 Great Scientists. Pocket, 1969.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.
(1969). 100 Great scientists. Pocket.
Tohutoru Kātū Chicago (17th ed.)100 Great Scientists. New York: Pocket, 1969.
Tohutoro MLA (9th ed.)100 Great Scientists. Pocket, 1969.