Gaya APA

Sum, T, S. (2025). What's keeping you broke? ( an illustrated guide to financial freedom by the simple sum ) (Cetakan Pertama). United State America: Wiley.

Gaya MLA

Sum, The, Simple. "What's keeping you broke? ( an illustrated guide to financial freedom by the simple sum )". Cetakan Pertama United State America: Wiley, 2025. Text.