See Allo

Lundy, James L., author

Eurasia Publishing House, 1968

Buku Teks

Bethel, Lawrence L., author

McGraw-Hill Kogakusha, 1971

Buku Teks

Mund, Vernon A.

Appleton-Century-Croft , 1971

Buku Teks

Spriegel, William R. (William Robert), 1893-1972, author

Charles & Tuttle, 1958

Buku Teks

Woodward, Joan, author

Oxford University Press, 1965

Buku Teks

Lawrence L. Bethel ... [et al.]

McGraw-Hill, 1954

Buku Teks