APA (7e ed.) Bronvermelding

TWEED STEPHEN C. (1990). STRATEGIC FOCUS: A GAMEPLAN FOR DEVELOPING COMPETITIVE.... FEEL PUB.INC.

Chicago (17e ed.) Bronvermelding

TWEED STEPHEN C. STRATEGIC FOCUS: A GAMEPLAN FOR DEVELOPING COMPETITIVE.... HOLLYWOOD FLORIDA: FEEL PUB.INC, 1990.

MLA (9e ed.) Bronvermelding

TWEED STEPHEN C. STRATEGIC FOCUS: A GAMEPLAN FOR DEVELOPING COMPETITIVE.... FEEL PUB.INC, 1990.