Gaya APA

Mortensen, D, G., Schmuller, A, M. (1964). Guidance in today's scchools / Donald G. Mortensen, Allen M. Schmuller . New York: John Wiley \r Sons.

Gaya MLA

Mortensen, Donald, G.., Schmuller, Allen, M.. "Guidance in today's scchools / Donald G. Mortensen, Allen M. Schmuller". New York: John Wiley \r Sons, 1964. Buku.