Gould, G. L. (1977). Ground work. HBJ.
Tohutoru Kātū Chicago (17th ed.)Gould, Gerald L. Ground Work. New York: HBJ, 1977.
Tohutoro MLA (9th ed.)Gould, Gerald L. Ground Work. HBJ, 1977.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.
Gould, G. L. (1977). Ground work. HBJ.
Tohutoru Kātū Chicago (17th ed.)Gould, Gerald L. Ground Work. New York: HBJ, 1977.
Tohutoro MLA (9th ed.)Gould, Gerald L. Ground Work. HBJ, 1977.