(1950). Rockbursts by Christian Colson. [electronic resource].
Tohutoru Kātū Chicago (17th ed.)Rockbursts by Christian Colson. [electronic Resource]. 1950.
Tohutoro MLA (9th ed.)Rockbursts by Christian Colson. [electronic Resource]. 1950.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.