Cita APA (7th ed.)

LAFFERTY, P. (2005). KNOWLEDGE MASTER HOW THINGS ARE MADE. YOUNG LEARNER PUBLICATIONS.

Cita Chicago (17th ed.)

LAFFERTY, PETER. KNOWLEDGE MASTER HOW THINGS ARE MADE. NEW DELHI: YOUNG LEARNER PUBLICATIONS, 2005.

Cita MLA (9th ed.)

LAFFERTY, PETER. KNOWLEDGE MASTER HOW THINGS ARE MADE. YOUNG LEARNER PUBLICATIONS, 2005.