(2001). Science fair projects / compiled by Joyce Howland.
Tohutoru Kātū Chicago (17th ed.)Science Fair Projects / Compiled by Joyce Howland. 2001.
Tohutoro MLA (9th ed.)Science Fair Projects / Compiled by Joyce Howland. 2001.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.