Gaya APA

soiltest. (1983). Mowlem: soiltest.

Gaya Chicago

soiltest. . Mowlem: soiltest, 1983. Text.

Gaya MLA

soiltest. . Mowlem: soiltest, 1983. Text.

Gaya Turabian

soiltest. Mowlem: soiltest, 1983. Print.