Cita APA (7th ed.)

Children's Playgrounds and Playground Equipment Seminar Sydney, N.S.W. and Melbourne, Vic., Standards Association of Australia, Victoria. Dept. of Education, & O'Mara, M. (1982). Playgrounds: A hidden menace. Dept. of Education, Victoria.

Cita Chicago (17th ed.)

Children's Playgrounds and Playground Equipment Seminar Sydney, N.S.W. and Melbourne, Vic., Standards Association of Australia, Victoria. Dept. of Education, i Mike O'Mara. Playgrounds: A Hidden Menace. [Melbourne: Dept. of Education, Victoria, 1982.

Cita MLA (8th ed.)

Children's Playgrounds and Playground Equipment Seminar Sydney, N.S.W. and Melbourne, Vic., et al. Playgrounds: A Hidden Menace. Dept. of Education, Victoria, 1982.