APA Style

Bundel Majalah Harvard Business Review : How To Keep Your Customers (In These Hard Times / Go Ahead, Have Regreats / Leadership Lessons from Abraham Loncoln). (2009). U.S.A: Harvard Busniness Review.

Chicago Style

Bundel Majalah Harvard Business Review : How To Keep Your Customers (In These Hard Times / Go Ahead, Have Regreats / Leadership Lessons from Abraham Loncoln). April 2009. U.S.A: Harvard Busniness Review, 2009. Multimedia.

MLA Style

Bundel Majalah Harvard Business Review : How To Keep Your Customers (In These Hard Times / Go Ahead, Have Regreats / Leadership Lessons from Abraham Loncoln). April 2009. U.S.A: Harvard Busniness Review, 2009. Multimedia.

Turabian Style

Bundel Majalah Harvard Business Review : How To Keep Your Customers (In These Hard Times / Go Ahead, Have Regreats / Leadership Lessons from Abraham Loncoln). U.S.A: Harvard Busniness Review, 2009. Multimedia.