Tohutoro APA (7th ed.)
(1981). Science year :1981: The World book science annual. Field Enterprises Educational Corporation.
Tohutoru Kātū Chicago (17th ed.)
Science Year :1981: The World Book Science Annual. Chicago: Field Enterprises Educational Corporation, 1981.
Tohutoro MLA (9th ed.)
Science Year :1981: The World Book Science Annual. Field Enterprises Educational Corporation, 1981.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.