Gaya APA
Johnson, K. et al (2012).
Crossing the river with dogs: problem solving for college students second edition (Edisi Kedua).
New Jersey:
John Wiley & Sons.
Gaya MLA
Johnson, Ken. et al.
"Crossing the river with dogs: problem solving for college students second edition".
Edisi Kedua
New Jersey:
John Wiley & Sons,
2012.
Text.