Morris,Abraham. (2021). Lead Generation Mastery: The Ultimate Guide to Generate New Leads Online in Any Niche Without Spending Tons of Money (NA.). CPSIA.
芝加哥风格引文Morris,Abraham. Lead Generation Mastery: The Ultimate Guide to Generate New Leads Online in Any Niche Without Spending Tons of Money. NA. USA: CPSIA, 2021.
MLA引文Morris,Abraham. Lead Generation Mastery: The Ultimate Guide to Generate New Leads Online in Any Niche Without Spending Tons of Money. NA. CPSIA, 2021.
警告：这些引文格式不一定是100％准确.