Gaya APA

Hiperbolicity. (1976). Berlin: Springer.

Gaya Chicago

Hiperbolicity. . Berlin: Springer, 1976. Buku.

Gaya MLA

Hiperbolicity. . Berlin: Springer, 1976. Buku.

Gaya Turabian

Hiperbolicity. Berlin: Springer, 1976. Buku.